Shipping to 128 countriesCOA and SDS with every lotQuotes within one business day
contact@zemixal.com
Bulk CASAccount
Pharmacopeial Impurities (EP / USP / BP)

Valsartan EP Impurity A

Reference StandardIn stock

Buy Valsartan EP Impurity A (CAS 137862-87-4) from Zemixal: C24H29N5O3, COA and SDS with every lot, worldwide shipping. Purity 99.04%.

Pack sizes
Valsartan EP Impurity A chemical structure
CAS number137862-87-4
FormulaC24H29N5O3
Molar mass435.5 g/mol
Physical formSolid
HS code38229090
Purity99.04%
InChIKeyACWBQPMHZXGDFX-JOCHJYFZSA-N
IUPAC name(2R)-3-methyl-2-[pentanoyl-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]amino]butanoic acid

About Valsartan EP Impurity A

Analytical teams working on Valsartan use Valsartan EP Impurity A as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 137862-87-4, formula C24H29N5O3 and molar mass 435.5 g/mol. It is handled as a solid.

Where it is used

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

Handling and storage

Hazard communication follows GHS (Danger: H336 and H360). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg, 100 mg and 250 mg packs or ask for a bulk quotation. Each lot travels with 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 Valsartan

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

Valsartan 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 Valsartan EP Impurity A
Product nameValsartan EP Impurity A
Catalogue numberZX-006058
CAS number137862-87-4
IUPAC name(2R)-3-methyl-2-[pentanoyl-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]amino]butanoic acid
Molecular formulaC24H29N5O3
Molar mass435.5 g/mol
Exact mass435.227
GradeReference Standard
Purity / assay99.04%
Physical formSolid
XLogP34.4
H-bond donors / acceptors2 / 6
Topological polar surface area112 Ų
HS code38229090
InChIKeyACWBQPMHZXGDFX-JOCHJYFZSA-N
SMILESCCCCC(=O)N(CC1=CC=C(C=C1)C2=CC=CC=C2C3=NNN=N3)[C@H](C(C)C)C(=O)O
PubChem CID5284633
SynonymsN-(1-Oxopentyl)-N-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-D-valine, (R)-N-Valeryl-N-([2'-(1H-tetrazole-5-yl)-biphenyl-4-yl]-methyl)-valine, (R)-N-Valeryl-N-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]valine, D-Valsartan, ent-Valsartan, Valsartan Related Compound A (USP), Valsartan R-Isomer, (R)-Valsartan, Valsartan, D-, (2R)-3-Methyl-2-(pentanoyl((2'-(1H-tetrazol-5-yl)biphenyl-4-yl)methyl)amino)butanoic acid, D-Valine, N-(1-oxopentyl)-N-((2'-(2H-tetrazol-5-yl)(1,1'-biphenyl)-4-yl)methyl)-, D-Valine, N-(1-oxopentyl)-N-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-

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 Danger

  • H336May cause drowsiness or dizziness
  • H360May damage fertility or the unborn child

Precautionary statements P203, P261, P271, P280, P304 + P340, P318, P319, 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 Valsartan EP Impurity A
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 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 Valsartan EP Impurity A

Which CAS number identifies Valsartan EP Impurity A?
Valsartan EP Impurity A is registered under CAS 137862-87-4. You may also see it listed as N-(1-Oxopentyl)-N-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-D-valine, (R)-N-Valeryl-N-([2'-(1H-tetrazole-5-yl)-biphenyl-4-yl]-methyl)-valine, (R)-N-Valeryl-N-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]valine. Our catalogue number for this item is ZX-006058.
What are the formula and molar mass of Valsartan EP Impurity A?
For Valsartan EP Impurity A, its formula is C24H29N5O3 and its molar mass is 435.5 g/mol. The systematic (IUPAC) name is (2R)-3-methyl-2-[pentanoyl-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]amino]butanoic acid. InChIKey ACWBQPMHZXGDFX-JOCHJYFZSA-N lets you match it in any structure database.
How is Valsartan EP Impurity A used in pharmaceutical QC?
Valsartan EP Impurity A is a characterised reference material linked to Valsartan. 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 Valsartan EP Impurity A?
This listing is Reference Standard grade with 99.04% purity. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Valsartan EP Impurity A?
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 Valsartan EP Impurity A to my country?
Yes. Because Valsartan EP Impurity A 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.

More Valsartan standards

More in Pharmacopeial Impurities (EP / USP / BP)

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list
Compare 0 of 4Compare now