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Pharmacopeial Impurities (EP / USP / BP)

Mesalazine EP Impurity R

Reference StandardAvailable on request

Mesalazine EP Impurity R (CAS 85-38-1) supplier Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-022100.

Pack sizes
Mesalazine EP Impurity R chemical structure
CAS number85-38-1
FormulaC7H5NO5
Molar mass183.12 g/mol
Physical formSolid
HS code38229090
InChIKeyWWWFHFGUOIQNJC-UHFFFAOYSA-N
IUPAC name2-hydroxy-3-nitrobenzoic acid

About Mesalazine EP Impurity R

Mesalazine EP Impurity R is supplied by Zemixal as a characterised reference material for Mesalazine analysis. Identity at a glance (Reference Standard): CAS 85-38-1, formula C7H5NO5 and molar mass 183.12 g/mol. It is handled as a solid.

Typical applications

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Handling and storage

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

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. 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

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Mesalazine EP Impurity R
Product nameMesalazine EP Impurity R
Catalogue numberZX-022100
CAS number85-38-1
IUPAC name2-hydroxy-3-nitrobenzoic acid
Molecular formulaC7H5NO5
Molar mass183.12 g/mol
Exact mass183.0168
GradeReference Standard
Physical formSolid
XLogP31.4
H-bond donors / acceptors2 / 5
Topological polar surface area103 Ų
HS code38229090
InChIKeyWWWFHFGUOIQNJC-UHFFFAOYSA-N
SMILESC1=CC(=C(C(=C1)[N+](=O)[O-])O)C(=O)O
PubChem CID6807
SynonymsMesalamine EP Impurity R, Mesalazine Impurity R, Mesalazine - Impurity R, Mesalamine impurity R, 3-Nitrosalicylic acid, Salicylic acid, 3-nitro-, Benzoic acid, 2-hydroxy-3-nitro-, Salicylic acid, 3-nitro, 2-hydroxy-3-nitro-benzoic acid, 3-Nitro-salicylsaure, 3-Nitrosalicylicacid, 3-nitrosalicyclic acid

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
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + 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 EP Impurity R
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted 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 EP Impurity R

Which CAS number identifies Mesalazine EP Impurity R?
Mesalazine EP Impurity R is registered under CAS 85-38-1. You may also see it listed as Mesalamine EP Impurity R, Mesalazine Impurity R, Mesalazine - Impurity R. Our catalogue number for this item is ZX-022100.
What are the formula and molar mass of Mesalazine EP Impurity R?
For Mesalazine EP Impurity R, its formula is C7H5NO5 and its molar mass is 183.12 g/mol. The systematic (IUPAC) name is 2-hydroxy-3-nitrobenzoic acid. InChIKey WWWFHFGUOIQNJC-UHFFFAOYSA-N lets you match it in any structure database.
How is Mesalazine EP Impurity R used in pharmaceutical QC?
Mesalazine EP Impurity R 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 EP Impurity R?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Mesalazine EP Impurity R?
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 EP Impurity R to my country?
Yes. Because Mesalazine EP Impurity R 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.

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