Stains and Dyes

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

Thermo Scientific Chemicals Acid Fuchsin, pure, certified

CAS: 3244-88-0 Molecular Formula: C20H17N3Na2O9S3 Molecular Weight (g/mol): 587.544 MDL Number: MFCD00013286 InChI Key: VCEFFPMSOGDMJX-UHFFFAOYSA-N Synonym: Acid Violet 19,C.I. 42685,Fuchsin Acid,Rubin S PubChem CID: 131852436 IUPAC Name: 3-[bis(4-amino-3-sulfophenyl)methylidene]-6-imino-5-methylcyclohexa-1,4-diene-1-sulfonic acid;sodium SMILES: CC1=CC(=C(C2=CC(=C(C=C2)N)S(=O)(=O)O)C3=CC(=C(C=C3)N)S(=O)(=O)O)C=C(C1=N)S(=O)(=O)O.[Na].[Na]

Acid Red 1, Thermo Scientific™

Thermo Scientific Chemicals Carmine, pure, certified, alum lake of carminic acid

CAS: 1390-65-4 Molecular Formula: C22H20O13 Molecular Weight (g/mol): 492.39 MDL Number: MFCD00167028 InChI Key: DGQLVPJVXFOQEV-UHFFFAOYNA-N Synonym: C.I. 75470 PubChem CID: 25113282 IUPAC Name: 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[(2S,3R,4S,5R,6S)-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(C3OC(CO)C(O)C(O)C3O)=C(O)C(O)=C1C2=O

Thermo Scientific Chemicals Acid Fuchsin, pure, high purity biological stain

CAS: 3244-88-0 Molecular Formula: C20H17N3Na2O9S3 Molecular Weight (g/mol): 587.544 MDL Number: MFCD00013286 InChI Key: VCEFFPMSOGDMJX-UHFFFAOYSA-N Synonym: Acid Violet 19,C.I. 42685,Fuchsin Acid,Rubin S PubChem CID: 131852436 IUPAC Name: 3-[bis(4-amino-3-sulfophenyl)methylidene]-6-imino-5-methylcyclohexa-1,4-diene-1-sulfonic acid;sodium SMILES: CC1=CC(=C(C2=CC(=C(C=C2)N)S(=O)(=O)O)C3=CC(=C(C=C3)N)S(=O)(=O)O)C=C(C1=N)S(=O)(=O)O.[Na].[Na]

Sulforhodamine 101 acid chloride

Thermo Scientific Chemicals Carmine, pure, high purity biol.stain, alum lake of carminic acid

CAS: 1390-65-4 Molecular Formula: C22H20O13 Molecular Weight (g/mol): 492.39 MDL Number: MFCD00167028 InChI Key: DGQLVPJVXFOQEV-UHFFFAOYNA-N Synonym: C.I. 75470 PubChem CID: 25113282 IUPAC Name: 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[(2S,3R,4S,5R,6S)-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(C3OC(CO)C(O)C(O)C3O)=C(O)C(O)=C1C2=O

Thermo Scientific Chemicals Amido Black 10B, 0.2% v/v soln. in 5% acetic acid

CAS: 1064-48-8 Molecular Formula: C22H14N6Na2O9S2 Molecular Weight (g/mol): 616.487 MDL Number: MFCD00004017 InChI Key: HKBVRFLHNUEVRO-UHFFFAOYSA-L Synonym: Acid black 1; C.I. 20470 PubChem CID: 44134531 IUPAC Name: disodium;4-amino-3-[(4-nitrophenyl)diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate SMILES: C1=CC=C(C=C1)NN=C2C(=CC3=CC(=C(C(=C3C2=O)N)N=NC4=CC=C(C=C4)[N+](=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]

Acid Blue 29, MP Biomedicals™

CAS: 5850-35-1 Molecular Formula: C22H14N6Na2O9S2 Molecular Weight (g/mol): 616.49 MDL Number: MFCD00009960 InChI Key: WEILTBATXPPXPP-AXSRUCDFSA-L Synonym: C.I. 20460 PubChem CID: 44134491 IUPAC Name: disodium (3E)-5-amino-6-[2-(3-nitrophenyl)diazen-1-yl]-4-oxo-3-(2-phenylhydrazin-1-ylidene)-3,4-dihydronaphthalene-2,7-disulfonate SMILES: [Na+].[Na+].NC1=C(N=NC2=CC=CC(=C2)[N+]([O-])=O)C(=CC2=C1C(=O)\C(=N/NC1=CC=CC=C1)C(=C2)S([O-])(=O)=O)S([O-])(=O)=O

Acid Green 5 MP Biomedicals

Phenol red free acid, ACS reagent grade, MP Biomedicals™

CAS: 143-74-8 Molecular Formula: C19H14O5S Molecular Weight (g/mol): 354.38 MDL Number: MFCD00003552 InChI Key: BELBBZDIHDAJOR-UHFFFAOYSA-N Synonym: Phenolsulfonephthalein sodium salt PubChem CID: 4766 ChEBI: CHEBI:31991 IUPAC Name: 3,3-bis(4-hydroxyphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione SMILES: OC1=CC=C(C=C1)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1

Eosin Y Free Acid, MP Biomedicals

Bromothymol Blue, free acid, For ACS analysis, MP Biomedicals™

Melford Acid Fuchsin Calcium Salt

Product usually ships within 24 hours. Research or further manufacturing use only, not for food or drug use.

Calconcarboxylic Acid, Honeywell Fluka™

CAS: 3737-95-9 Molecular Formula: C21H14N2O7S Molecular Weight (g/mol): 438.41 MDL Number: MFCD00004078 InChI Key: ULIVOAKVRBXKKS-PYCFMQQDSA-N PubChem CID: 5895210 IUPAC Name: 3-hydroxy-4-[(2Z)-2-(2-oxo-4-sulfonaphthalen-1-ylidene)hydrazinyl]naphthalene-2-carboxylic acid SMILES: C1=CC=C2C(=C1)C=C(C(=C2NN=C3C4=CC=CC=C4C(=CC3=O)S(=O)(=O)O)O)C(=O)O