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Pharmacopeial Impurities (EP / USP / BP)

Anastrozole EP Impurity A

Reference StandardIn stock

Anastrozole EP Impurity A (CAS 1215780-15-6) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Ships from India to 120+ countries.

Pack sizes
Anastrozole EP Impurity A chemical structure
CAS number1215780-15-6
FormulaC16H17N5
Molar mass279.34 g/mol
Physical formSolid
HS code38229090
Purity91.4%
InChIKeyLXXANTDQIIXQBZ-UHFFFAOYSA-N
IUPAC name2-[3-(1-cyanoethyl)-5-(1,2,4-triazol-1-ylmethyl)phenyl]-2-methylpropanenitrile

About Anastrozole EP Impurity A

Anastrozole EP Impurity A belongs to the Anastrozole reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 1215780-15-6, formula C16H17N5 and molar mass 279.34 g/mol. It is handled as a solid.

Typical applications

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

Handling and storage

It carries the GHS signal word Danger (H301, H331, H351 and H360), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. 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 Anastrozole

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

Anastrozole 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 Anastrozole EP Impurity A
Product nameAnastrozole EP Impurity A
Catalogue numberZX-005576
CAS number1215780-15-6
IUPAC name2-[3-(1-cyanoethyl)-5-(1,2,4-triazol-1-ylmethyl)phenyl]-2-methylpropanenitrile
Molecular formulaC16H17N5
Molar mass279.34 g/mol
Exact mass279.1484
GradeReference Standard
Purity / assay91.4%
Physical formSolid
XLogP32.4
H-bond donors / acceptors0 / 4
Topological polar surface area78.3 Ų
HS code38229090
InChIKeyLXXANTDQIIXQBZ-UHFFFAOYSA-N
SMILESCC(C#N)C1=CC(=CC(=C1)CN2C=NC=N2)C(C)(C)C#N
PubChem CID57149578
Synonymsα1,α1,α3-Trimethyl-5-(1H-1,2,4-triazol-1-ylmethyl)-1,3-benzenediacetonitrile, Desmethyl Anastrozole, alpha-Desmethyl Anastrozole, 2-[3-(1-cyanoethyl)-5-[(1H-1,2,4-triazol-1-yl)methyl]phenyl]-2-methylpropanenitrile, 2-(3-(1-cyanoethyl)-5-((1H-1,2,4-triazol-1-yl)methyl)phenyl)-2-methylpropanenitrile, 2-{3-(1-Cyanoethyl)-5-[(1H-1,2,4-triazol-1-yl)methyl]phenyl}-2-methylpropanenitrile, Anastrozole Impurity B, 2-(3-((1H-1,2,4-Triazol-1-yl)methyl)-5-(1-cyanoethyl)phenyl)-2-methylpropanenitrile, a-Desmethyl Anastrozole(>90%), 2-(3-((1RS)-1-Cyanoethyl)-5-(1H-1,2,4-triazol-1-ylmethyl)phenyl)-2-methylpropanenitrile, 2-(3-(1-Cyanoethyl)-5-(1H-1,2,4-triazol-1-ylmethyl)phenyl)-2-methylpropionitrile, 2-[3-[(1RS)-1-Cyanoethyl]-5-(1H-1,2,4-triazol-1-ylmethyl)phenyl]-2-methylpropanenitrile

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

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H301Toxic if swallowed
  • H331Toxic if inhaled
  • H351Suspected of causing cancer
  • H360May damage fertility or the unborn child
  • H362May cause harm to breast-fed children
  • H372Causes damage to organs through prolonged or repeated exposure
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P203, P260, P261, P263, P264, P270, P271, P273, P280, P301 + P316, P304 + P340, P316, P318, P319, P321, P330, P391, 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 Anastrozole EP Impurity A
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 Anastrozole EP Impurity A

Which CAS number identifies Anastrozole EP Impurity A?
Anastrozole EP Impurity A is registered under CAS 1215780-15-6. You may also see it listed as α1,α1,α3-Trimethyl-5-(1H-1,2,4-triazol-1-ylmethyl)-1,3-benzenediacetonitrile, Desmethyl Anastrozole, alpha-Desmethyl Anastrozole. Our catalogue number for this item is ZX-005576.
What are the formula and molar mass of Anastrozole EP Impurity A?
For Anastrozole EP Impurity A, its formula is C16H17N5 and its molar mass is 279.34 g/mol. The systematic (IUPAC) name is 2-[3-(1-cyanoethyl)-5-(1,2,4-triazol-1-ylmethyl)phenyl]-2-methylpropanenitrile. InChIKey LXXANTDQIIXQBZ-UHFFFAOYSA-N lets you match it in any structure database.
How is Anastrozole EP Impurity A used in pharmaceutical QC?
Anastrozole EP Impurity A is a characterised reference material linked to Anastrozole. 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 Anastrozole EP Impurity A?
This listing is Reference Standard grade with 91.4% purity. 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 Anastrozole 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 Anastrozole EP Impurity A to my country?
Yes. Because Anastrozole 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.

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