PHR1746

4-Aminosalicylic acid

Pharmaceutical Secondary Standard; Certified Reference Material

• Synonym(s): 4-Aminosalicylic acid, 4-Amino-2-hydroxybenzoic acid, PAS
• Linear Formula: H₂NC₆H₃-2-(OH)CO₂H
• CAS Number: 65-49-6
• Molecular Weight: 153.14
• UNSPSC Code: 41116107
• NACRES: NA.24
• PubChem Substance ID: 329823591
• EC Number: 200-613-5
• Beilstein/REAXYS Number: 473071
• MDL number: MFCD00007789

Properties

• InChI key: WUBBRNOQWQTFEX-UHFFFAOYSA-N
• InChI: 1S/C7H7NO3/c8-4-1-2-5(7(10)11)6(9)3-4/h1-3,9H,8H2,(H,10,11)
• SMILES string: Nc1ccc(C(O)=O)c(O)c1
• grade: certified reference material, pharmaceutical secondary standard
• agency: traceable to USP 1026401
• API family: aminosalicylic acid
• CofA: current certificate can be downloaded
• packaging: pkg of 500 mg
• technique(s): HPLC: suitable, gas chromatography (GC): suitable
• mp: 135-145 °C (lit.)
• application(s): pharmaceutical (small molecule)
• format: neat
• storage temp.: 2-30°C
• Quality Level: 300

Description

General description

4-Aminosalicylic acid is an isomer of 5-ASA, the active component of sulfasalazine. This nonsteroidal anti-inflammatory drug (NSAID) has been used in the treatment of tuberculosis and is also known to be effective in treating distal ulcerative colitis.[1]
Certified pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.

Application

These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.

Analysis Note

These secondary standards offer multi-traceability to the USP and EP primary standards, where they are available.

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

To see an example of a Certificate of Analysis for this material enter LRAA7969 in the slot below. This is an example certificate only and may not be the lot that you receive.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk: WGK 2
• flash_point_f: Not applicable
• flash_point_c: Not applicable