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Staining Reagents

Stains, staining systems, and blocking agents in a variety of types, grades, molecular weights, purities, and pH ranges; used to elucidate important structures of microorganisms including bacteria, viruses, protozoa, etc.
Stains and Dyes (164)

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1

MilliporeSigma™ FSB, ≥95%, Calbiochem™,

CAS: 760988-03-2 Molecular Formula: C24H17FO6 Synonym: (E,E)-1-Fluoro-2,5-bis(3-hydroxycarbonyl-4-hydroxy)styrylbenzene

CAS 760988-03-2
Synonym (E,E)-1-Fluoro-2,5-bis(3-hydroxycarbonyl-4-hydroxy)styrylbenzene
Molecular Formula C24H17FO6
2

Cresol Red Indicator, ≥83%, Honeywell Fluka™

CAS: 1733-12-6 Molecular Formula: C21H18O5S Molecular Weight (g/mol): 382.43 MDL Number: MFCD00005878 InChI Key: OBRMNDMBJQTZHV-UHFFFAOYSA-N Synonym: o-Cresolsulfonphthalein PubChem CID: 73013 ChEBI: CHEBI:86218 IUPAC Name: 4-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-methylphenol SMILES: CC1=CC(=CC=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(C)=C1

PubChem CID 73013
CAS 1733-12-6
Molecular Weight (g/mol) 382.43
ChEBI CHEBI:86218
MDL Number MFCD00005878
SMILES CC1=CC(=CC=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(C)=C1
Synonym o-Cresolsulfonphthalein
IUPAC Name 4-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-methylphenol
InChI Key OBRMNDMBJQTZHV-UHFFFAOYSA-N
Molecular Formula C21H18O5S
3

Glyoxal-bis(2-hydroxyanil), ≥97.0% (from N), Honeywell Fluka™

CAS: 1149-16-2 Molecular Formula: C14H12N2O2 Molecular Weight (g/mol): 240.26 MDL Number: MFCD00002183 InChI Key: OMJNMRJMNUREOJ-KOBPNRPCSA-N PubChem CID: 5356911 SMILES: OC1=CC=CC=C1N\C=C\N=C1C=CC=CC1=O

PubChem CID 5356911
CAS 1149-16-2
Molecular Weight (g/mol) 240.26
MDL Number MFCD00002183
SMILES OC1=CC=CC=C1N\C=C\N=C1C=CC=CC1=O
InChI Key OMJNMRJMNUREOJ-KOBPNRPCSA-N
Molecular Formula C14H12N2O2
4

Fisher Healthcare™ PROTOCOL™ Hema-Quik™ and Hema-Quik II Stain Solutions

Carefully balanced for optimum staining pH

Boiling Point 65°C
Format Liquid
Color Dark Blue
Shelf Life 1 Year
Storage Requirements Room Temperature
5

Carminic acid, 70-90%

CAS: 1260-17-9 Molecular Formula: C22H20O13 Molecular Weight (g/mol): 492.39 MDL Number: MFCD00167028 InChI Key: DGQLVPJVXFOQEV-NGOCYOHBSA-N Synonym: C.I. 75470,Natural Red 4 PubChem CID: 10255083 ChEBI: CHEBI:78310 IUPAC Name: 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylic acid SMILES: CC1=C(C(O)=O)C(O)=CC2=C1C(=O)C1=C(O)C([C@H]3O[C@H](CO)[C@@H](O)[C@H](O)[C@H]3O)=C(O)C(O)=C1C2=O

PubChem CID 10255083
CAS 1260-17-9
Molecular Weight (g/mol) 492.39
ChEBI CHEBI:78310
MDL Number MFCD00167028
SMILES CC1=C(C(O)=O)C(O)=CC2=C1C(=O)C1=C(O)C([C@H]3O[C@H](CO)[C@@H](O)[C@H](O)[C@H]3O)=C(O)C(O)=C1C2=O
Synonym C.I. 75470,Natural Red 4
IUPAC Name 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylic acid
InChI Key DGQLVPJVXFOQEV-NGOCYOHBSA-N
Molecular Formula C22H20O13
6

4-Phenylazophenol, 97%

CAS: 1689-82-3 Molecular Formula: C12H10N2O Molecular Weight (g/mol): 198.23 MDL Number: MFCD00002330 InChI Key: JTSBGMZPPPULTA-UHFFFAOYSA-N Synonym: C.I. 11800,4-Hydroxyazobenzene,Solvent Yellow 7 PubChem CID: 5354198 IUPAC Name: 4-(phenylhydrazinylidene)cyclohexa-2,5-dien-1-one SMILES: O=C1C=CC(C=C1)=NNC1=CC=CC=C1

PubChem CID 5354198
CAS 1689-82-3
Molecular Weight (g/mol) 198.23
MDL Number MFCD00002330
SMILES O=C1C=CC(C=C1)=NNC1=CC=CC=C1
Synonym C.I. 11800,4-Hydroxyazobenzene,Solvent Yellow 7
IUPAC Name 4-(phenylhydrazinylidene)cyclohexa-2,5-dien-1-one
InChI Key JTSBGMZPPPULTA-UHFFFAOYSA-N
Molecular Formula C12H10N2O
7

Thermo Scientific Chemicals Nitro Blue Tetrazolium Chloride monohydrate, 90%

CAS: 298-83-9 | C40H30Cl2N10O6 | 817.644 g/mol

Molecular Weight (g/mol) 817.644
Color Yellow
Loss on Drying 10% max. (105°C)
ChEBI CHEBI:9505
Physical Form Powder
CAS Min % 88.0
Chemical Name or Material Nitro Blue Tetrazolium Chloride monohydrate
SMILES COC1=C(C=CC(=C1)C2=CC(=C(C=C2)[N+]3=NC(=NN3C4=CC=C(C=C4)[N+](=O)[O-])C5=CC=CC=C5)OC)[N+]6=NC(=NN6C7=CC=C(C=C7)[N+](=O)[O-])C8=CC=CC=C8.[Cl-].[Cl-]
InChI Key FSVCQIDHPKZJSO-UHFFFAOYSA-L
Assay Percent Range 90%
PubChem CID 9281
Percent Purity ≥88%
CAS 7732-18-5
Infrared Spectrum Authentic
Health Hazard 3 GHS P Statement:
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Do not breathe dust/fume/gas/mist/vapors/spray.
Do not eat, drink or smoke when using this product.
IF exposed or concerned: Get medical advice/attention.
IF ON SKIN: Wash with plenty of soap and water.

WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.
MDL Number MFCD00150013
Health Hazard 2 GHS H Statement:
Harmful if swallowed.
Harmful in contact with skin.
Harmful if inhaled.
Causes serious eye irritation.
May cause respiratory irritation.
Causes skin irritation.
May cause damage to organs.
Packaging Glass bottle
Synonym Nitro BT,Nitro blue tetrazolium
IUPAC Name 2-[2-methoxy-4-[3-methoxy-4-[3-(4-nitrophenyl)-5-phenyltetrazol-2-ium-2-yl]phenyl]phenyl]-3-(4-nitrophenyl)-5-phenyltetrazol-2-ium;dichloride
Molecular Formula C40H30Cl2N10O6
Formula Weight 867.69
CAS Max % 100.0
8

Coumarin, 99+%

CAS: 91-64-5 Molecular Formula: C9H6O2 Molecular Weight (g/mol): 146.15 MDL Number: MFCD00006850 InChI Key: ZYGHJZDHTFUPRJ-UHFFFAOYSA-N Synonym: 2H-1-Benzopyran-2-one PubChem CID: 323 ChEBI: CHEBI:28794 IUPAC Name: chromen-2-one SMILES: O=C1OC2=CC=CC=C2C=C1

PubChem CID 323
CAS 91-64-5
Molecular Weight (g/mol) 146.15
ChEBI CHEBI:28794
MDL Number MFCD00006850
SMILES O=C1OC2=CC=CC=C2C=C1
Synonym 2H-1-Benzopyran-2-one
IUPAC Name chromen-2-one
InChI Key ZYGHJZDHTFUPRJ-UHFFFAOYSA-N
Molecular Formula C9H6O2
9

Thermo Scientific Chemicals Methylene Blue hydrate, 96+%, high purity biological stain

CAS: 122965-43-9 Molecular Formula: C16H18ClN3S Molecular Weight (g/mol): 319.85 MDL Number: MFCD00150006 InChI Key: CXKWCBBOMKCUKX-UHFFFAOYSA-M Synonym: Basic Blue 9 hydrate,C.I. 52015 hydrate PubChem CID: 16211647 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;hydrate SMILES: [Cl-].CN(C)C1=CC=C2N=C3C=CC(C=C3SC2=C1)=[N+](C)C

PubChem CID 16211647
CAS 122965-43-9
Molecular Weight (g/mol) 319.85
MDL Number MFCD00150006
SMILES [Cl-].CN(C)C1=CC=C2N=C3C=CC(C=C3SC2=C1)=[N+](C)C
Synonym Basic Blue 9 hydrate,C.I. 52015 hydrate
IUPAC Name [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;hydrate
InChI Key CXKWCBBOMKCUKX-UHFFFAOYSA-M
Molecular Formula C16H18ClN3S
10

Crystal Violet, ACS, 90+%

CAS: 548-62-9 Molecular Formula: C25H30ClN3 Molecular Weight (g/mol): 407.986 MDL Number: MFCD00011750 InChI Key: ZXJXZNDDNMQXFV-UHFFFAOYSA-M Synonym: Basic Violet 3; C.I. 42555 PubChem CID: 11057 ChEBI: CHEBI:41688 IUPAC Name: [4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride SMILES: CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-]

PubChem CID 11057
CAS 548-62-9
Molecular Weight (g/mol) 407.986
ChEBI CHEBI:41688
MDL Number MFCD00011750
SMILES CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-]
Synonym Basic Violet 3; C.I. 42555
IUPAC Name [4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride
InChI Key ZXJXZNDDNMQXFV-UHFFFAOYSA-M
Molecular Formula C25H30ClN3
11

D-Luciferin sodium salt monohydrate, 98+%

CAS: 103404-75-7 Molecular Formula: C11H7N2NaO3S2 Molecular Weight (g/mol): 302.298 MDL Number: MFCD11865368 InChI Key: BZNVUYVALNTPBG-QWLWRJJTSA-M Synonym: Firefly Luciferin monosodium salt monohydrate PubChem CID: 133109097 IUPAC Name: sodium;(2E,4R)-2-(6-oxo-1,3-benzothiazol-2-ylidene)-1,3-thiazolidine-4-carboxylate SMILES: C1C(NC(=C2N=C3C=CC(=O)C=C3S2)S1)C(=O)[O-].[Na+]

PubChem CID 133109097
CAS 103404-75-7
Molecular Weight (g/mol) 302.298
MDL Number MFCD11865368
SMILES C1C(NC(=C2N=C3C=CC(=O)C=C3S2)S1)C(=O)[O-].[Na+]
Synonym Firefly Luciferin monosodium salt monohydrate
IUPAC Name sodium;(2E,4R)-2-(6-oxo-1,3-benzothiazol-2-ylidene)-1,3-thiazolidine-4-carboxylate
InChI Key BZNVUYVALNTPBG-QWLWRJJTSA-M
Molecular Formula C11H7N2NaO3S2
12

Acid Red 92 85.0+%, TCI America™

CAS: 18472-87-2 Molecular Formula: C20H4Br4Cl4O5 MDL Number: MFCD00070627 Synonym: Phloxine B, 2′C,4′C,5′C,7′C-Tetrabromo-3,4,5,6-tetrachlorofluorescein Sodium Salt

CAS 18472-87-2
MDL Number MFCD00070627
Synonym Phloxine B, 2′C,4′C,5′C,7′C-Tetrabromo-3,4,5,6-tetrachlorofluorescein Sodium Salt
Molecular Formula C20H4Br4Cl4O5
13

2,6-Dichloroindophenol, sodium salt hydrate, 95%

CAS: 1266615-56-8 Molecular Formula: C12H6Cl2NNaO2 Molecular Weight (g/mol): 290.07 MDL Number: MFCD00150014 InChI Key: CVSUAFOWIXUYQA-UHFFFAOYSA-M Synonym: Tillman's reagent hydrate PubChem CID: 23696612 SMILES: [Na+].[O-]C1=CC=C(C=C1)N=C1C=C(Cl)C(=O)C(Cl)=C1

PubChem CID 23696612
CAS 1266615-56-8
Molecular Weight (g/mol) 290.07
MDL Number MFCD00150014
SMILES [Na+].[O-]C1=CC=C(C=C1)N=C1C=C(Cl)C(=O)C(Cl)=C1
Synonym Tillman's reagent hydrate
InChI Key CVSUAFOWIXUYQA-UHFFFAOYSA-M
Molecular Formula C12H6Cl2NNaO2
14

Copper phthalocyanine, dye content ca 95%

CAS: 147-14-8 Molecular Formula: C32H16CuN8 MDL Number: MFCD00010719 Synonym: C.I. 74160,Pigment blue 15

CAS 147-14-8
MDL Number MFCD00010719
Synonym C.I. 74160,Pigment blue 15
Molecular Formula C32H16CuN8
15

Thermo Scientific Chemicals Rhodamine B, 99+%, pure, laser grade

CAS: 81-88-9 Molecular Formula: C28H31ClN2O3 Molecular Weight (g/mol): 479.02 MDL Number: MFCD00011931 InChI Key: PYWVYCXTNDRMGF-UHFFFAOYSA-N Synonym: Basic Violet 10,C.I. 45170 PubChem CID: 6694 ChEBI: CHEBI:52334 IUPAC Name: [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium;chloride SMILES: [Cl-].CCN(CC)C1=CC2=[O+]C3=CC(=CC=C3C(C3=CC=CC=C3C(O)=O)=C2C=C1)N(CC)CC

PubChem CID 6694
CAS 81-88-9
Molecular Weight (g/mol) 479.02
ChEBI CHEBI:52334
MDL Number MFCD00011931
SMILES [Cl-].CCN(CC)C1=CC2=[O+]C3=CC(=CC=C3C(C3=CC=CC=C3C(O)=O)=C2C=C1)N(CC)CC
Synonym Basic Violet 10,C.I. 45170
IUPAC Name [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium;chloride
InChI Key PYWVYCXTNDRMGF-UHFFFAOYSA-N
Molecular Formula C28H31ClN2O3