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

Description

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

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), molecular formula C13H21N3O5 and molecular weight 299.32 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, 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 is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 299.32 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

As a certified reference material (CRM), 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 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

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