2243-76-7 OBF2VZO457 Alizarine Yellow R 5-(p-Nitrophenylazo)salicylic acid Salicylic acid, 5-((p-nitrophenyl)azo)- Benzoic acid, 2-hydroxy-5-(2-(4-nitrophenyl)diazenyl)- Benzoic acid, 2-hydroxy-5-((4-nitrophenyl)azo)- C.I. 14030 C.I. Mordant Orange 1 Acid Alizarin Yellow R Alizarine Chrome Orange G Alizarine Orange R Alizarine Orange 2GN Alizarine Orange RD Alizarine Yellow P Alizarine Yellow R (indicator) Alizarine Yellow R-CF Alizarine Yellow RW Alizarol Orange R Alphacroic Orange R Anthranol Chrome Yellow R Azochromal Orange R Brasilian Chrome Orange R Calcochrome Orange R Chromacid Orange S Chrome Fast Orange RW Chrome Orange N Chrome Orange R Chrome Orange MR Chrome Orange RLE Chrome Yellow 3RN Chromol Orange R Extra Diamond Chrome Yellow 3R Durochrome Yellow 2RN EINECS 218-818-3 Eniacromo Orange R Eriochrome Orange AOR Fenakrom Orange R Hidachrome Orange R Hispacrom Orange R 2-Hydroxy-5-((4-nitrophenyl)azo)benzoic acid Java Chrome Yellow 3R Java Unichrome Yellow 3R KCA Chrome Orange R Kenachrome Orange Lighthouse Chrome Orange Magracrom Orange Metachrome Orange R Mitsui chrome Orange A Mitsui Chrome Orange AN Monochrome Orange R Monochrome Yellow 3R Orthochrome Orange R para-Nitrobenzeneazosalicylic acid Peerachrome Yellow R Pnbas Pontachrome Yellow 3RN Solochrome Orange M Synchromate Orange AOR Terra Cotta RRN Terracotta 2RN Tertrochrome Yellow 3R Yodochrome Orange A UNII-OBF2VZO457 CAS 2243-76-7

Purity 97%+In StockPharmaceutical Standards
CAS No.2243-76-7
Molecular FormulaC13H21N3O5
Molecular Weight299.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2243-76-7 OBF2VZO457 Alizarine Yellow R 5-(p-Nitrophenylazo)salicylic acid Salicylic acid, 5-((p-nitrophenyl)azo)- Benzoic acid, 2-hydroxy-5-(2-(4-nitrophenyl)diazenyl)- Benzoic acid, 2-hydroxy-5-((4-nitrophenyl)azo)- C.I. 14030 C.I. Mordant Orange 1 Acid Alizarin Yellow R Alizarine Chrome Orange G Alizarine Orange R Alizarine Orange 2GN Alizarine Orange RD Alizarine Yellow P Alizarine Yellow R (indicator) Alizarine Yellow R-CF Alizarine Yellow RW Alizarol Orange R Alphacroic Orange R Anthranol Chrome Yellow R Azochromal Orange R Brasilian Chrome Orange R Calcochrome Orange R Chromacid Orange S Chrome Fast Orange RW Chrome Orange N Chrome Orange R Chrome Orange MR Chrome Orange RLE Chrome Yellow 3RN Chromol Orange R Extra Diamond Chrome Yellow 3R Durochrome Yellow 2RN EINECS 218-818-3 Eniacromo Orange R Eriochrome Orange AOR Fenakrom Orange R Hidachrome Orange R Hispacrom Orange R 2-Hydroxy-5-((4-nitrophenyl)azo)benzoic acid Java Chrome Yellow 3R Java Unichrome Yellow 3R KCA Chrome Orange R Kenachrome Orange Lighthouse Chrome Orange Magracrom Orange Metachrome Orange R Mitsui chrome Orange A Mitsui Chrome Orange AN Monochrome Orange R Monochrome Yellow 3R Orthochrome Orange R para-Nitrobenzeneazosalicylic acid Peerachrome Yellow R Pnbas Pontachrome Yellow 3RN Solochrome Orange M Synchromate Orange AOR Terra Cotta RRN Terracotta 2RN Tertrochrome Yellow 3R Yodochrome Orange A UNII-OBF2VZO457 CAS 2243-76-7 chemical structure

Description

CATO supplies 2243-76-7 OBF2VZO457 Alizarine Yellow R 5-(p-Nitrophenylazo)salicylic acid Salicylic acid, 5-((p-nitrophenyl)azo)- Benzoic acid, 2-hydroxy-5-(2-(4-nitrophenyl)diazenyl)- Benzoic acid, 2-hydroxy-5-((4-nitrophenyl)azo)- C.I. 14030 C.I. Mordant Orange 1 Acid Alizarin Yellow R Alizarine Chrome Orange G Alizarine Orange R Alizarine Orange 2GN Alizarine Orange RD Alizarine Yellow P Alizarine Yellow R (indicator) Alizarine Yellow R-CF Alizarine Yellow RW Alizarol Orange R Alphacroic Orange R Anthranol Chrome Yellow R Azochromal Orange R Brasilian Chrome Orange R Calcochrome Orange R Chromacid Orange S Chrome Fast Orange RW Chrome Orange N Chrome Orange R Chrome Orange MR Chrome Orange RLE Chrome Yellow 3RN Chromol Orange R Extra Diamond Chrome Yellow 3R Durochrome Yellow 2RN EINECS 218-818-3 Eniacromo Orange R Eriochrome Orange AOR Fenakrom Orange R Hidachrome Orange R Hispacrom Orange R 2-Hydroxy-5-((4-nitrophenyl)azo)benzoic acid Java Chrome Yellow 3R Java Unichrome Yellow 3R KCA Chrome Orange R Kenachrome Orange Lighthouse Chrome Orange Magracrom Orange Metachrome Orange R Mitsui chrome Orange A Mitsui Chrome Orange AN Monochrome Orange R Monochrome Yellow 3R Orthochrome Orange R para-Nitrobenzeneazosalicylic acid Peerachrome Yellow R Pnbas Pontachrome Yellow 3RN Solochrome Orange M Synchromate Orange AOR Terra Cotta RRN Terracotta 2RN Tertrochrome Yellow 3R Yodochrome Orange A UNII-OBF2VZO457 (CAS 2243-76-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H21N3O5. Molecular weight: 299.32 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC13H21N3O5
Molecular Weight299.32 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms3

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