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Pharmacopeial Impurities (EP / USP / BP)

Cimetidine EP Impurity I

Reference StandardAvailable on request

Cimetidine EP Impurity I (CAS 29636-87-1) supplier Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes
Cimetidine EP Impurity I chemical structure
CAS number29636-87-1
FormulaC5H8N2O
Molar mass112.13 g/mol
Physical formSolid
HS code38229090
InChIKeyAXJZCJSXNZZMDU-UHFFFAOYSA-N
IUPAC name(5-methyl-1H-imidazol-4-yl)methanol

About Cimetidine EP Impurity I

Cimetidine EP Impurity I belongs to the Cimetidine reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 29636-87-1, formula C5H8N2O and molar mass 112.13 g/mol. It is handled as a solid.

Use cases we see most often

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

Storage and safety notes

It carries the GHS signal word Danger (H302, H314 and H319), so wear gloves and eye protection and work with good ventilation.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Cimetidine

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

Cimetidine standards

Typical uses

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

Applications

Grade guides

Specifications and identifiers

Specifications of Cimetidine EP Impurity I
Product nameCimetidine EP Impurity I
Catalogue numberZX-023943
CAS number29636-87-1
IUPAC name(5-methyl-1H-imidazol-4-yl)methanol
Molecular formulaC5H8N2O
Molar mass112.13 g/mol
Exact mass112.0637
GradeReference Standard
Physical formSolid
XLogP3-0.4
H-bond donors / acceptors2 / 2
Topological polar surface area48.9 Ų
HS code38229090
InChIKeyAXJZCJSXNZZMDU-UHFFFAOYSA-N
SMILESCC1=C(N=CN1)CO
PubChem CID122433
Synonyms4-Hydroxymethyl-5-methylimidazole, Cimetidine Hydrochloride - Impurity I, 4-hydroxymethyl-5-methyl-1H-imidazole, 1H-Imidazole-4-methanol, 5-methyl-, (4-Methyl-1H-imidazol-5-yl)methanol, 1H-Imidazole-5-methanol, 4-methyl-, 5-Methyl-1H-imidazole-4-methanol, 4-methyl-5-hydroxymethylimidazole, Imidazole-4-methanol, 5-methyl-, 4-(Hydroxymethyl)-5-methyl-1H-imidazole, 1H-imidazole-4-methanol, 5-methyl-, hydrochloride, 4-(hydroxymethyl)-5-methylimidazole hydrochloride

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

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H302Harmful if swallowed
  • H314Causes severe skin burns and eye damage
  • H319Causes serious eye irritation

Precautionary statements P260, P264, P264 + P265, P270, P280, P301 + P317, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P316, P321, P330, P337 + P317, P363, 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 Cimetidine EP Impurity I
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 Cimetidine EP Impurity I

Which CAS number identifies Cimetidine EP Impurity I?
Cimetidine EP Impurity I is registered under CAS 29636-87-1. You may also see it listed as 4-Hydroxymethyl-5-methylimidazole, Cimetidine Hydrochloride - Impurity I, 4-hydroxymethyl-5-methyl-1H-imidazole. Our catalogue number for this item is ZX-023943.
What are the formula and molar mass of Cimetidine EP Impurity I?
For Cimetidine EP Impurity I, its formula is C5H8N2O and its molar mass is 112.13 g/mol. The systematic (IUPAC) name is (5-methyl-1H-imidazol-4-yl)methanol. InChIKey AXJZCJSXNZZMDU-UHFFFAOYSA-N lets you match it in any structure database.
How is Cimetidine EP Impurity I used in pharmaceutical QC?
Cimetidine EP Impurity I is a characterised reference material linked to Cimetidine. 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 Cimetidine EP Impurity I?
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 Cimetidine EP Impurity I?
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 Cimetidine EP Impurity I to my country?
Yes. Because Cimetidine EP Impurity I 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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