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API Impurities

Raltegravir Impurity 3

Reference StandardAvailable on request

Order Raltegravir Impurity 3 (CAS 888504-28-7) online at Zemixal: C4H3KN2O3, COA and SDS with every lot, worldwide shipping.

Pack sizes
Raltegravir Impurity 3 chemical structure
CAS number888504-28-7
FormulaC4H3KN2O3
Molar mass166.18 g/mol
Physical formSolid
HS code38229090
InChIKeyBRHMYHXNUGVBCU-UHFFFAOYSA-M
IUPAC namepotassium 5-methyl-1,3,4-oxadiazole-2-carboxylate

About Raltegravir Impurity 3

Raltegravir Impurity 3 belongs to the Raltegravir reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 888504-28-7, formula C4H3KN2O3 and molar mass 166.18 g/mol. It is handled as a solid.

Use cases we see most often

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Safe handling

Classified under GHS with signal word Warning and hazard statements H315, H319, H335 and H361. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Raltegravir

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

Raltegravir standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of Raltegravir Impurity 3
Product nameRaltegravir Impurity 3
Catalogue numberZX-032087
CAS number888504-28-7
IUPAC namepotassium 5-methyl-1,3,4-oxadiazole-2-carboxylate
Molecular formulaC4H3KN2O3
Molar mass166.18 g/mol
Exact mass165.9781
GradeReference Standard
Physical formSolid
H-bond donors / acceptors0 / 5
Topological polar surface area79.1 Ų
HS code38229090
InChIKeyBRHMYHXNUGVBCU-UHFFFAOYSA-M
SMILESCC1=NN=C(O1)C(=O)[O-].[K+]
PubChem CID24820502
Synonyms5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt, 5-Methyl-1,3,4-oxadiazole-2-carboxylic Acid, Potassium Salt, 5-Methyl-[1,3,4]oxadiazole-2-carboxylic acid, potassium salt, potassium 5-methyl-, potassium,5-methyl-1,3,4-oxadiazole-2-carboxylate, 5-methyl-[1,3,4]oxadiazole-2-carboxylate, 5-methyl-[1,3,4]oxadiazol carboxylic acid potassium salt, 5-Methyl-1,3,4-oxadiazole-2-carboxylic acidpotassium salt

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
GHS08 Health hazard
Health hazard

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H361Suspected of damaging fertility or the unborn child

Precautionary statements P203, P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P318, 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 Raltegravir Impurity 3
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 Raltegravir Impurity 3

Which CAS number identifies Raltegravir Impurity 3?
Raltegravir Impurity 3 is registered under CAS 888504-28-7. You may also see it listed as 5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt, 5-Methyl-1,3,4-oxadiazole-2-carboxylic Acid, Potassium Salt, 5-Methyl-[1,3,4]oxadiazole-2-carboxylic acid, potassium salt. Our catalogue number for this item is ZX-032087.
What are the formula and molar mass of Raltegravir Impurity 3?
For Raltegravir Impurity 3, its formula is C4H3KN2O3 and its molar mass is 166.18 g/mol. The systematic (IUPAC) name is potassium 5-methyl-1,3,4-oxadiazole-2-carboxylate. InChIKey BRHMYHXNUGVBCU-UHFFFAOYSA-M lets you match it in any structure database.
How is Raltegravir Impurity 3 used in pharmaceutical QC?
Raltegravir Impurity 3 is a characterised reference material linked to Raltegravir. 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 Raltegravir Impurity 3?
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 Raltegravir Impurity 3?
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 Raltegravir Impurity 3 to my country?
Yes. Because Raltegravir Impurity 3 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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