Orange II sodium salt, ≥98% (HPLC), MilliporeSigma™ Supelco™

Thermo Scientific Chemicals Orange II, pure, certified

CAS: 633-96-5 Molecular Formula: C16H11N2NaO4S Molecular Weight (g/mol): 350.324 MDL Number: MFCD00011657 InChI Key: IGQFKZCLTLAWLO-UHFFFAOYSA-M Synonym: Acid Orange 7,C.I. 15510,p-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid, sodium salt PubChem CID: 44135675 IUPAC Name: sodium;4-[2-(2-oxonaphthalen-1-ylidene)hydrazinyl]benzenesulfonate SMILES: C1=CC=C2C(=C1)C=CC(=O)C2=NNC3=CC=C(C=C3)S(=O)(=O)[O-].[Na+]

Acid Orange 7 97.0+%, TCI America™

CAS: 633-96-5 Molecular Formula: C16H11N2NaO4S Molecular Weight (g/mol): 350.324 MDL Number: MFCD00011657 InChI Key: IGQFKZCLTLAWLO-UHFFFAOYSA-M Synonym: c.i. acid orange 7,orange ii,acid orange 7,orange,c.i. acid orange 7, monosodium salt,dsstox_cid_18881,dsstox_rid_79415,dsstox_gsid_38881,sodium 4-e-2-2-hydroxynaphthalen-1-yl diazen-1-yl benzenesulfonate,benzenesulfonic acid, 4-2-2-hydroxy-1-naphthalenyl diazenyl-, sodium salt 1:1 PubChem CID: 44135675 IUPAC Name: sodium;4-[2-(2-oxonaphthalen-1-ylidene)hydrazinyl]benzenesulfonate SMILES: C1=CC=C2C(=C1)C=CC(=O)C2=NNC3=CC=C(C=C3)S(=O)(=O)[O-].[Na+]

Orange II, Spectrum™ Chemical

CAS: 633-96-5

D and C Orange No. 4, Spectrum™ Chemical

CAS: 633-96-5 Molecular Formula: C16H11N2NaO4S Molecular Weight (g/mol): 350.32 InChI Key: IGQFKZCLTLAWLO-UHFFFAOYSA-M IUPAC Name: sodium 4-[2-(2-oxo-1,2-dihydronaphthalen-1-ylidene)hydrazin-1-yl]benzene-1-sulfonate SMILES: [Na+].[O-]S(=O)(=O)C1=CC=C(NN=C2C(=O)C=CC3=CC=CC=C23)C=C1