UserName
Analytical Reagents
Buffers and Standards
Fisher Chemicalâ„¢ Optimaâ„¢ LC/MS grade solvents, reagents, and mobile phase blends set the standard for consistent, reproducible performance. Extensive testing shows minimal metal impurities, low background noise, and the lowest impurity background using diode array detection.
Food safety relies on the detection of pesticides, heavy metals, microbes, and other contaminants. Find reagents for your nutritional value and other quality assessments. Or request custom or specialty products for your food, beverage, and agriculture testing needs.
Find high-purity acids and bases that have set the standard of excellence for demanding trace metal analyses. Report more reliable results from your atomic absorption spectroscopy and inductively coupled plasma mass spectrometry assays.
Fisher Chemical™ and Fisher Bioreagents™ products—whose quality will not be compromised—are transitioning from amber glass bottles to plastic bottles to maximize safety, increase durability, and minimize breakage.
Use the Chemical Structure Search tool to look for an exact or substructure match for your molecule of interest.
Search for Chemical Structures
Choose from a variety of solvents and standards or HPLC/UHPLC and GC columns and cartridges for your separations.
Explore packaging that provides a smarter, greener, and safer way to conduct research and transport products while helping prevent costly accidents.
Mouse Monoclonal Antibody
Content And Storage | 4° C, store in dark, DO NOT FREEZE! |
---|---|
Target Species | Human |
Host Species | Mouse |
Conjugate | Brilliant Ultraviolet 395 |
Applications | Flow Cytometry |
Form | Liquid |
Isotype | IgG2b κ |
Gene Accession No. | P11836 |
Concentration | 5 μL/Test |
Antigen | CD20 |
Regulatory Status | RUO |
Purification Method | Affinity chromatography |
Gene Alias | AA960661; APY; ATOPY; B1; B-cell differentiation antigen Ly-44; B-lymphocyte antigen CD20; B-lymphocyte cell-surface antigen B1; B-lymphocyte surface antigen B1; Bp35; Cd20; CD20 antigen; CD20 cell surface protein; CD20 receptor; CVID5; EGK_06167; Fc epsilon receptor I beta chain; Fc Fragment of IgE high affinity I receptor for beta polypeptide; FCER1B; High affinity immunoglobulin epsilon receptor subunit beta; IgE Fc receptor subunit beta; IGEL; IGER; IGHER; LEU16; LEU-16; Leukocyte surface antigen Leu-16; Ly44; Ly-44; Lymphocyte antigen 44; membrane spanning 4-domains A1; membrane-spanning 4-domains subfamily A member 1; membrane-spanning 4-domains, subfamily A, member 1; membrane-spanning 4-domains, subfamily A, member 2; MGC3969; MS4A1; MS4A2; S7 |
Gene | Ms4a1 |
Product Type | Antibody |
Gene ID (Entrez) | 931 |
Formulation | PBS with BSA and 0.09% sodium azide; pH 7.2 |
Classification | Monoclonal |
Primary or Secondary | Primary |
Clone | 2H7 |
Mouse Monoclonal Antibody
Content And Storage | 4° C, store in dark, DO NOT FREEZE! |
---|---|
Target Species | Human |
Host Species | Mouse |
Conjugate | Brilliant Ultraviolet 615 |
Applications | Flow Cytometry |
Form | Liquid |
Isotype | IgG2a κ |
Gene Accession No. | P01889, P04439, P10321 |
Concentration | 5 μL/Test |
Antigen | HLA-ABC |
Regulatory Status | RUO |
Purification Method | Affinity chromatography |
Gene Alias | A29 protein; alpha chain of MHC class II; antigen presenting molecule; AS; Aw-33; Aw-74; B-4901; B-5001; Bw-47; Bw-50; class I MHC, HLA-B antigen; D6S204; epididymis secretory protein Li 83; H-2K; H2-K; H-2K(d); HEL-S-83; histocompatibility antigen; HLA A; HLA -B; HLA B-40011; HLA B44; HLA C; HLA class I antigen; HLA class I antigen HLA-B; HLA class I histocompatibility antigen C alpha chain; HLA class I histocompatibility antigen Cw-1 alpha chain; HLA class I histocompatibility antigen, A alpha chain; HLA class I histocompatibility antigen, A-1 alpha chain; HLA class I histocompatibility antigen, A-11 alpha chain-like; HLA class I histocompatibility antigen, A-30 alpha chain; HLA class I histocompatibility antigen, A-33 alpha chain; HLA class I histocompatibility antigen, A-74 alpha chain; HLA class I histocompatibility antigen, B alpha chain; HLA class I histocompatibility antigen, B-47 alpha chain; HLA class I histocompatibility antigen, B-50 alpha chain; HLA class I histocompatibility antigen, B-82 alpha chain; HLA class I histocompatibility antigen, C alpha chain; HLA class I histocompatibility antigen, Cw-1 alpha chain; HLA class I histocompatibility antigen, Cw-15 alpha chain; HLA class I histocompatibility antigen, Cw-18 alpha chain; HLA locus; HLA molecule; HLAA; HLA-A; HLA-A locus alpha 2 domain; HLA-A null; HLA-A11; HLA-A33; HLA-Aw33.1; HLAB; HLA-B; HLA-B 1502; HLA-B alpha chain; HLA-B alpha chain (B*2706); HLA-B alpha chain (B*5002); HLA-B alpha-chain; HLA-B*45ZJ; HLA-B15; HLA-B35; HLA-B35 antigen; HLA-B-3506; HLA-B39; HLA-B-3905; HLA-B49; HLA-B50; HLA-B55; HLA-B-5502; HLA-B-5602; HLA-B59; HLA-B61; HLA-Bw50 antigen; HLAC; HLA-C; HLA-C alpha chain; HLA-C alpha chain (HLA-Cw*15v); HLA-C alpha chain for Cw*18GB; HLA-C alpha-chain; HLA-C antigen; HLA-Cw; HLA-Cw*04GB; HLA-Cw*1702; HLA-Cw*18GB; HLA-Cw-1503; HLA-DQB1; HLA-DRB1; HLA-JY3; HLC-C; Human leukocyte antigen A; Human leukocyte antigen C; human leukocyte antigen-C alpha chain; hypothetical protein; lecocyte antigen B; leucocyte antigen A; Leukocyte Antigen; leukocyte antigen C; leukocyte antigen class I-A; leukocyte antigen class I-B; Leukoocyte Antigen; LOC100515902; LOW QUALITY PROTEIN: HLA class I histocompatibility antigen, A-11 alpha chain-like; lymphocyte antigen; major histocompatability complex B antigen; major histocompatibility antigen HLA-C; major histocompatibility complex, class I, A; major histocompatibility complex, class I, B; major histocompatibility complex, class I, C; MCH class I antigen; MGC184092; MGC7052; MHC; MHC 1; MHC antigen; MHC clas I antigen; MHC Class 1; MHC class 1 antigen; MHC class I; MHC class I alpha chain; MHC class I anitgen; MHC class I anti; MHC Class I antigen; MHC class I antigen A*30; MHC class I antigen A*33; MHC class I antigen A*74; MHC class I antigen B*47; MHC class I antigen B*50; MHC class I antigen B*82; MHC class I antigen Cw*15; MHC class I antigen Cw*18; MHC class I antigen GN00104; MHC class I antigen heavy chain; MHC class I antigen heavy chain HLA-C; MHC class I antigen HLA-A heavy chain; MHC class I antigen HLA-A33; MHC class I antigen HLA-B alpha chain; MHC class I antigen HLA-B heavy chain; MHC class I antigen null protein; MHC class I antigen SHCHA; MHC class I antigene; MHC class I histocompatibility antigen; MHC class I human leukocyte antigen; MHC class I molecule; MHC class I protein; MHC class II antigen; MHC class l antigen; MHC classI antigen; MHC HLA-ABC; MHC HLA-B cell surface glycoprotein; MHC HLA-B transmembrane glycoprotein; MHC HLA-B27d; MHC HLA-B27-HS; MHC HLA-B39N; MHC I HLA; MHC1; PSORS1; SPDA1; surface antigen; truncated class I antigen; truncated MHC class I antigen |
Product Type | Antibody |
Gene ID (Entrez) | 3105, 3106, 3107 |
Formulation | PBS with BSA and 0.09% sodium azide; pH 7.2 |
Classification | Monoclonal |
Primary or Secondary | Primary |
Clone | W6/32 |
Mouse Monoclonal Antibody
Content And Storage | 4° C, store in dark, DO NOT FREEZE! |
---|---|
Target Species | Human |
Host Species | Mouse |
Conjugate | Brilliant Ultraviolet 805 |
Applications | Flow Cytometry |
Form | Liquid |
Isotype | IgG1 κ |
Gene Accession No. | P28907 |
Concentration | 5 μL/Test |
Antigen | CD38 |
Regulatory Status | RUO |
Purification Method | Affinity chromatography |
Gene Alias | 2'-phospho-ADP-ribosyl cyclase; 2'-phospho-ADP-ribosyl cyclase/2'-phospho-cyclic-ADP-ribose transferase; 2'-phospho-cyclic-ADP-ribose transferase; ADPRC 1; ADPRC1; ADP-ribosyl cyclase 1; ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase 1; cADPr hydrolase 1; Cd38; CD38 antigen; CD38 antigen (ADP-ribosyl cyclase / cyclic ADP-ribose hydrolase); CD38 antigen (p45); CD38 antigen p45; CD38 molecule; CD38H; Cd38-rs1; cluster of differentiation 38; cyclic ADP-ribose hydrolase 1; ecto-nicotinamide adenine dinucleotide glycohydrolase; I-19; NAD(+) nucleosidase; NAD+ nucleosidase; NIM-R5 antigen; T10 |
Gene | CD38 |
Product Type | Antibody |
Gene ID (Entrez) | 952 |
Formulation | PBS with BSA and 0.09% sodium azide; pH 7.2 |
Classification | Monoclonal |
Primary or Secondary | Primary |
Clone | HIT2 |
Mouse Monoclonal Antibody
Content And Storage | 4° C, store in dark, DO NOT FREEZE! |
---|---|
Target Species | Human |
Host Species | Mouse |
Conjugate | Brilliant Ultraviolet 805 |
Applications | Flow Cytometry |
Form | Liquid |
Isotype | IgG2b κ |
Gene Accession No. | P11836 |
Concentration | 5 μL/Test |
Antigen | CD20 |
Regulatory Status | RUO |
Purification Method | Affinity chromatography |
Gene Alias | AA960661; APY; ATOPY; B1; B-cell differentiation antigen Ly-44; B-lymphocyte antigen CD20; B-lymphocyte cell-surface antigen B1; B-lymphocyte surface antigen B1; Bp35; Cd20; CD20 antigen; CD20 cell surface protein; CD20 receptor; CVID5; EGK_06167; Fc epsilon receptor I beta chain; Fc Fragment of IgE high affinity I receptor for beta polypeptide; FCER1B; High affinity immunoglobulin epsilon receptor subunit beta; IgE Fc receptor subunit beta; IGEL; IGER; IGHER; LEU16; LEU-16; Leukocyte surface antigen Leu-16; Ly44; Ly-44; Lymphocyte antigen 44; membrane spanning 4-domains A1; membrane-spanning 4-domains subfamily A member 1; membrane-spanning 4-domains, subfamily A, member 1; membrane-spanning 4-domains, subfamily A, member 2; MGC3969; MS4A1; MS4A2; S7 |
Gene | Ms4a1 |
Product Type | Antibody |
Gene ID (Entrez) | 931 |
Formulation | PBS with BSA and 0.09% sodium azide; pH 7.2 |
Classification | Monoclonal |
Primary or Secondary | Primary |
Clone | 2H7 |
Content And Storage | 4° C, store in dark, DO NOT FREEZE! |
---|---|
Target Species | Mouse |
Host Species | Rat |
Conjugate | Brilliant Ultraviolet 805 |
Applications | Flow Cytometry |
Form | Liquid |
Isotype | IgG2a κ |
Gene Accession No. | Q61549 |
Concentration | 0.2 mg/mL |
Antigen | F4/80 |
Regulatory Status | RUO |
Purification Method | Affinity chromatography |
Gene Alias | ADGRE1; Adhesion G protein-coupled receptor E1; Adhesion G protein-coupled receptor E2; cell surface glycoprotein EMR1; cell surface glycoprotein F4/80; DD7A5-7; EGF-like module containing, mucin-like, hormone receptor-like 1; EGF-like module containing, mucin-like, hormone receptor-like sequence 1; EGF-like module receptor 1; EGF-like module-containing mucin-like hormone receptor-like 1; EGF-TM7; Emr1; EMR1 hormone receptor; F4/80; Gpf480; Ly71; lymphocyte antigen 71; TM7LN3 |
Gene | ADGRE1 |
Product Type | Antibody |
Gene ID (Entrez) | 13733 |
Formulation | PBS with BSA and 0.09% sodium azide; pH 7.2 |
Classification | Monoclonal |
Primary or Secondary | Primary |
Clone | BM8 |
Content And Storage | 4° C, store in dark, DO NOT FREEZE! |
---|---|
Target Species | Mouse |
Host Species | Rat |
Conjugate | Brilliant Ultraviolet 661 |
Applications | Flow Cytometry |
Form | Liquid |
Isotype | IgG2a κ |
Gene Accession No. | P27512 |
Concentration | 0.2 mg/mL |
Antigen | CD40 |
Regulatory Status | RUO |
Purification Method | Affinity chromatography |
Gene Alias | AI326936; B cell surface antigen CD40; B cell-associated molecule; B-cell surface antigen CD40; Bp50; CD antigen CD40; Cd40; CD40 antigen; CD40 antigen (TNF receptor superfamily member 5); CD40 antigen, TNF receptor superfamily member 5; CD40 molecule; CD40 molecule, TNF receptor superfamily member 5; CD40L receptor; CDw40; GP39; HIGM1; I79_006806; IGM; IMD3; Immunoglobulin M; ImmunoglobulinM; membrane protein CD40; MGC9013; p50; receptor for ligand CD154; sCD40; soluble CD40; T-BAM; T-cell differentiation antigen; Tnfrsf5; TRAP; tumor necrosis factor receptor superfamily member 5; tumor necrosis factor receptor superfamily, member 5 |
Gene | CD40 |
Product Type | Antibody |
Gene ID (Entrez) | 21939 |
Formulation | PBS with BSA and 0.09% sodium azide; pH 7.2 |
Classification | Monoclonal |
Primary or Secondary | Primary |
Clone | 1C10 |
Syrian Hamster Polyclonal Antibody
Content And Storage | 4° C, store in dark, DO NOT FREEZE! |
---|---|
Target Species | Not Applicable |
Host Species | Syrian Hamster |
Conjugate | Brilliant Violet 605 |
Applications | Control,Flow Cytometry |
Form | Liquid |
Isotype | IgG |
Concentration | 0.2 mg/mL |
Antigen | Syrian Hamster IgG |
Regulatory Status | RUO |
Purification Method | Affinity chromatography |
Gene Alias | IgG; Immunoglobulin G; ImmunoglobulinG |
Formulation | PBS with BSA and 0.09% sodium azide; pH 7.2 |
Classification | Polyclonal |
Content And Storage | 4° C, store in dark, DO NOT FREEZE! |
---|---|
Target Species | Human |
Host Species | Mouse |
Conjugate | Brilliant Violet 711 |
Applications | Flow Cytometry |
Form | Liquid |
Isotype | IgG1 κ |
Gene Accession No. | P11279 |
Concentration | 5 μL/Test |
Antigen | CD107a (LAMP-1) |
Regulatory Status | RUO |
Purification Method | Affinity chromatography |
Gene Alias | 120 kDa lysosomal membrane glycoprotein; AI196048; CD107 antigen-like family member A; CD107a; I79_011073; Lamp I; LAMP1; LAMP-1; LAMPA; LGP120; LGP-120; LGPA; LGP-A; lysosomal associated membrane protein 1; Lysosomal associated membrane protein 1 (120 kDa); lysosomal membrane glycoprotein 1; lysosomal membrane glycoprotein A; lysosomal-associated membrane protein 1; lysosome-associated membrane glycoprotein 1; LYSOSOME-ASSOCIATED MEMBRANE GLYCOPROTEIN 1 PRECURSOR (LAMP-1) (LGP-A) (LGP-120) (CD107A) (P2B); lysosome-associated membrane protein 1; P2B |
Gene | LAMP1 |
Product Type | Antibody |
Gene ID (Entrez) | 3916 |
Formulation | PBS with BSA and 0.09% sodium azide; pH 7.2 |
Classification | Monoclonal |
Primary or Secondary | Primary |
Clone | eBioH4A3 |
Rat Monoclonal Antibody
Content And Storage | 4° C, store in dark, DO NOT FREEZE! |
---|---|
Target Species | Mouse |
Host Species | Rat |
Conjugate | Brilliant Violet 711 |
Applications | Flow Cytometry |
Form | Liquid |
Isotype | IgG2a κ |
Gene Accession No. | Q61549 |
Concentration | 0.2 mg/mL |
Antigen | F4/80 |
Regulatory Status | RUO |
Purification Method | Affinity chromatography |
Gene Alias | ADGRE1; Adhesion G protein-coupled receptor E1; Adhesion G protein-coupled receptor E2; cell surface glycoprotein EMR1; cell surface glycoprotein F4/80; DD7A5-7; EGF-like module containing, mucin-like, hormone receptor-like 1; EGF-like module containing, mucin-like, hormone receptor-like sequence 1; EGF-like module receptor 1; EGF-like module-containing mucin-like hormone receptor-like 1; EGF-TM7; Emr1; EMR1 hormone receptor; F4/80; Gpf480; Ly71; lymphocyte antigen 71; TM7LN3 |
Gene | ADGRE1 |
Product Type | Antibody |
Gene ID (Entrez) | 13733 |
Formulation | PBS with BSA and 0.09% sodium azide; pH 7.2 |
Classification | Monoclonal |
Primary or Secondary | Primary |
Clone | BM8 |
Mouse Monoclonal Antibody
Content And Storage | 4° C, store in dark, DO NOT FREEZE! |
---|---|
Target Species | Human |
Host Species | Mouse |
Conjugate | Brilliant Violet 421 |
Applications | Flow Cytometry |
Form | Liquid |
Isotype | IgG1 κ |
Gene Accession No. | Q01638 |
Concentration | 5 μL/Test |
Antigen | IL-33R (ST2) |
Regulatory Status | RUO |
Purification Method | Affinity chromatography |
Gene Alias | DER4; Fit1; Fit-1; Fos-responsive gene 1 protein; growth stimulation-expressed; homolog of mouse growth stimulation-expressed; IL-1 R4; IL1RL1; IL-1RL1; IL33R; IL-33R; interleukin 1 receptor like 1; interleukin 1 receptor-like 1; interleukin 1 receptor-related protein; Interleukin1 receptor like 1; interleukin-1 receptor-like 1; Interleukin-33 receptor alpha chain; Ly84; lymphocyte antigen 84; Protein ST2; Protein T1; sIL 33R; soluble IL 33 Receptor; soluble IL 33R; St2; ST2L; St2-rs1; ST2V; Ste2; T1; T1/ST2 |
Gene | IL1RL1 |
Product Type | Antibody |
Gene ID (Entrez) | 9173 |
Formulation | PBS with BSA and 0.09% sodium azide; pH 7.2 |
Immunogen | Extracellular domain of human IL-33R protein |
Classification | Monoclonal |
Primary or Secondary | Primary |
Clone | hIL33Rcap |
Rat Monoclonal Antibody
Content And Storage | 4° C, store in dark, DO NOT FREEZE! |
---|---|
Target Species | Mouse |
Host Species | Rat |
Conjugate | Brilliant Violet 605 |
Applications | Flow Cytometry |
Form | Liquid |
Isotype | IgG2a κ |
Gene Accession No. | P27512 |
Concentration | 0.2 mg/mL |
Antigen | CD40 |
Regulatory Status | RUO |
Purification Method | Affinity chromatography |
Gene Alias | AI326936; B cell surface antigen CD40; B cell-associated molecule; B-cell surface antigen CD40; Bp50; CD antigen CD40; Cd40; CD40 antigen; CD40 antigen (TNF receptor superfamily member 5); CD40 antigen, TNF receptor superfamily member 5; CD40 molecule; CD40 molecule, TNF receptor superfamily member 5; CD40L receptor; CDw40; GP39; HIGM1; I79_006806; IGM; IMD3; Immunoglobulin M; ImmunoglobulinM; membrane protein CD40; MGC9013; p50; receptor for ligand CD154; sCD40; soluble CD40; T-BAM; T-cell differentiation antigen; Tnfrsf5; TRAP; tumor necrosis factor receptor superfamily member 5; tumor necrosis factor receptor superfamily, member 5 |
Gene | CD40 |
Product Type | Antibody |
Gene ID (Entrez) | 21939 |
Formulation | PBS with BSA and 0.09% sodium azide; pH 7.2 |
Classification | Monoclonal |
Primary or Secondary | Primary |
Clone | 1C10 |
Syrian Hamster Polyclonal Antibody
Content And Storage | 4° C, store in dark, DO NOT FREEZE! |
---|---|
Target Species | Not Applicable |
Host Species | Syrian Hamster |
Conjugate | Brilliant Violet 711 |
Applications | Control,Flow Cytometry |
Form | Liquid |
Isotype | IgG |
Concentration | 0.2 mg/mL |
Antigen | Syrian Hamster IgG |
Regulatory Status | RUO |
Purification Method | Affinity chromatography |
Gene Alias | IgG; Immunoglobulin G; ImmunoglobulinG |
Formulation | PBS with BSA and 0.09% sodium azide; pH 7.2 |
Classification | Polyclonal |
CAS: 108-24-7 Molecular Formula: C4H6O3 Molecular Weight (g/mol): 102.089 MDL Number: MFCD00008705 InChI Key: WFDIJRYMOXRFFG-UHFFFAOYSA-N Synonym: acetic anhydride,acetanhydride,acetic acid, anhydride,acetic oxide,acetyl oxide,ethanoic anhydride,acetyl ether,acetyl anhydride,acetic acid anhydride,anhydride acetique PubChem CID: 7918 ChEBI: CHEBI:36610 IUPAC Name: acetyl acetate SMILES: CC(=O)OC(=O)C
PubChem CID | 7918 |
---|---|
CAS | 108-24-7 |
Molecular Weight (g/mol) | 102.089 |
ChEBI | CHEBI:36610 |
MDL Number | MFCD00008705 |
SMILES | CC(=O)OC(=O)C |
Synonym | acetic anhydride,acetanhydride,acetic acid, anhydride,acetic oxide,acetyl oxide,ethanoic anhydride,acetyl ether,acetyl anhydride,acetic acid anhydride,anhydride acetique |
IUPAC Name | acetyl acetate |
InChI Key | WFDIJRYMOXRFFG-UHFFFAOYSA-N |
Molecular Formula | C4H6O3 |
Content And Storage | 4° C, store in dark, DO NOT FREEZE! |
---|---|
Target Species | Human |
Host Species | Mouse |
Conjugate | Brilliant Violet 650 |
Applications | Flow Cytometry |
Form | Liquid |
Isotype | IgG1 κ |
Gene Accession No. | P11279 |
Concentration | 5 μL/Test |
Antigen | CD107a (LAMP-1) |
Regulatory Status | RUO |
Purification Method | Affinity chromatography |
Gene Alias | 120 kDa lysosomal membrane glycoprotein; AI196048; CD107 antigen-like family member A; CD107a; I79_011073; Lamp I; LAMP1; LAMP-1; LAMPA; LGP120; LGP-120; LGPA; LGP-A; lysosomal associated membrane protein 1; Lysosomal associated membrane protein 1 (120 kDa); lysosomal membrane glycoprotein 1; lysosomal membrane glycoprotein A; lysosomal-associated membrane protein 1; lysosome-associated membrane glycoprotein 1; LYSOSOME-ASSOCIATED MEMBRANE GLYCOPROTEIN 1 PRECURSOR (LAMP-1) (LGP-A) (LGP-120) (CD107A) (P2B); lysosome-associated membrane protein 1; P2B |
Gene | LAMP1 |
Product Type | Antibody |
Gene ID (Entrez) | 3916 |
Formulation | PBS with BSA and 0.09% sodium azide; pH 7.2 |
Classification | Monoclonal |
Primary or Secondary | Primary |
Clone | eBioH4A3 |
With more than 5,000 options, the Fisher Chemical portfolio of dry reagents, acids, solutions, and high-purity solvents stands ready to support the endless possibilities of your research.
Since the early part of the 20th century, the Fisher Chemical brand, part of Thermo Fisher Scientific, has been serving the science community with chemicals for research applications. Our years of experience, along with our team of highly knowledgeable and dedicated people, bring you the highest level of customer service, technical assistance, and fast, accurate delivery.
Manufactured in ISO 9001:2008-certified facilities, each Fisher Chemical product undergoes rigorous quality assurance and testing measures that help ensure excellent lot-to-lot and bottle-to-bottle consistency.