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API Reference Standards

Mesalazine WS

Reference StandardIn stock

Buy Mesalazine WS (CAS 89-57-6) from Zemixal. Request a quote with price, lead time and documents. Exported from India with full paperwork.

Pack sizes
Mesalazine WS chemical structure
CAS number89-57-6
FormulaC7H7NO3
Molar mass153.14 g/mol
Physical formSolid
HS code38229090
InChIKeyKBOPZPXVLCULAV-UHFFFAOYSA-N
IUPAC name5-amino-2-hydroxybenzoic acid

About Mesalazine WS

Zemixal lists Mesalazine WS for laboratories that identify, quantify or control Mesalazine and its related substances. Key data (Reference Standard): CAS 89-57-6, formula C7H7NO3 and molar mass 153.14 g/mol. It is handled as a solid.

Typical applications

  • Identification & assay
  • Method development & validation
  • QC reference material

Handling and storage

Classified under GHS with signal word Warning and hazard statements H315, H317, H319 and H335. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg, 100 mg and 250 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Mesalazine

See every impurity, metabolite and related compound we list for this API.

Mesalazine standards

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material

Applications

Specifications and identifiers

Specifications of Mesalazine WS
Product nameMesalazine WS
Catalogue numberZX-006643
CAS number89-57-6
IUPAC name5-amino-2-hydroxybenzoic acid
Molecular formulaC7H7NO3
Molar mass153.14 g/mol
Exact mass153.0426
GradeReference Standard
Physical formSolid
XLogP31.3
H-bond donors / acceptors3 / 4
Topological polar surface area83.6 Ų
HS code38229090
InChIKeyKBOPZPXVLCULAV-UHFFFAOYSA-N
SMILESC1=CC(=C(C=C1N)C(=O)O)O
PubChem CID4075
Synonyms2-Hydroxy-5-aminobenzoic acid, 3-Carboxy-4-hydroxyaniline, 5-ASA, 5-Aminosalicylic acid, Mesalamine, Mesalazine, Asacol, Asacolitin, Claversal, Mesasal, Pentasa, Fisalamine

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H317May cause an allergic skin reaction
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H412Harmful to aquatic life with long lasting effects

Precautionary statements P261, P264, P264 + P265, P271, P272, P273, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P333 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Mesalazine WS
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request
500 mgQuoted on request
1 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Mesalazine WS

Which CAS number identifies Mesalazine WS?
Mesalazine WS is registered under CAS 89-57-6. You may also see it listed as 2-Hydroxy-5-aminobenzoic acid, 3-Carboxy-4-hydroxyaniline, 5-ASA. Our catalogue number for this item is ZX-006643.
What are the formula and molar mass of Mesalazine WS?
For Mesalazine WS, its formula is C7H7NO3 and its molar mass is 153.14 g/mol. The systematic (IUPAC) name is 5-amino-2-hydroxybenzoic acid. InChIKey KBOPZPXVLCULAV-UHFFFAOYSA-N lets you match it in any structure database.
How is Mesalazine WS used in pharmaceutical QC?
Mesalazine WS is a characterised reference material linked to Mesalazine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Mesalazine WS?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Mesalazine WS?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Mesalazine WS to my country?
Yes. Because Mesalazine WS is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 89-57-6

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