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Pharmacopeial Impurities (EP / USP / BP)

Anastrozole EP Impurity I

Reference StandardAvailable on request

Anastrozole EP Impurity I (CAS 120511-91-3) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes
Anastrozole EP Impurity I chemical structure
CAS number120511-91-3
FormulaC15H17ClN2
Molar mass260.76 g/mol
Physical formSolid
HS code38229090
InChIKeyHSNGPKBBTHINTG-UHFFFAOYSA-N
IUPAC name2-[3-(chloromethyl)-5-(2-cyanopropan-2-yl)phenyl]-2-methylpropanenitrile

About Anastrozole EP Impurity I

Zemixal lists Anastrozole EP Impurity I for laboratories that identify, quantify or control Anastrozole and its related substances. For your records (Reference Standard), the material is defined by CAS 120511-91-3, formula C15H17ClN2 and molar mass 260.76 g/mol. It is handled as a solid.

Typical applications

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

Safe handling

Hazard communication follows GHS (Warning: H302, H312, H315 and H319). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

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 I
Product nameAnastrozole EP Impurity I
Catalogue numberZX-020647
CAS number120511-91-3
IUPAC name2-[3-(chloromethyl)-5-(2-cyanopropan-2-yl)phenyl]-2-methylpropanenitrile
Molecular formulaC15H17ClN2
Molar mass260.76 g/mol
Exact mass260.108
GradeReference Standard
Physical formSolid
XLogP33.5
H-bond donors / acceptors0 / 2
Topological polar surface area47.6 Ų
HS code38229090
InChIKeyHSNGPKBBTHINTG-UHFFFAOYSA-N
SMILESCC(C)(C#N)C1=CC(=CC(=C1)CCl)C(C)(C)C#N
PubChem CID19349384
SynonymsAnastrozole - Impurity I, 2,2-(5-(Chloromethyl)benzene-1,3-diyl)bis(2-methylpropanenitrile), 2-(3-(Chloromethyl)-5-(2-cyanopropan-2-yl)phenyl)-2-methylpropanenitrile, 1,3-Benzenediacetonitrile, 5-(chloromethyl)-alpha1,alpha1,alpha3,alpha3-tetramethyl-, 5-(Chloromethyl)-alpha1,alpha1,alpha3,alpha3-tetramethyl-1,3-benzenediacetonitrile, 5-(chloromethyl)-1,1,1',1'-tetramethyl-1,3-Benzenediacetonitrile, Anastrozole impurity I, 2,2'-(5-(chloromethyl)-1,3-phenylene)bis(2-methylpropanenitrile), 2,2'-[5-(Chloromethyl)-1,3-phenylene]bis(2-methylpropanenitrile), 2,2'-[5-(Chloromethyl)benzene-1,3-diyl]bis(2-methylpropanenitrile), 1,3-Benzenediacetonitrile,5-(chloromethyl)-a1,a1,a3,a3-tetramethyl-

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

  • H302Harmful if swallowed
  • H312Harmful in contact with skin
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H332Harmful if inhaled

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P321, P330, P332 + P317, P337 + P317, P362 + P364, 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 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 Anastrozole EP Impurity I

Which CAS number identifies Anastrozole EP Impurity I?
Anastrozole EP Impurity I is registered under CAS 120511-91-3. You may also see it listed as Anastrozole - Impurity I, 2,2-(5-(Chloromethyl)benzene-1,3-diyl)bis(2-methylpropanenitrile), 2-(3-(Chloromethyl)-5-(2-cyanopropan-2-yl)phenyl)-2-methylpropanenitrile. Our catalogue number for this item is ZX-020647.
What are the formula and molar mass of Anastrozole EP Impurity I?
For Anastrozole EP Impurity I, its formula is C15H17ClN2 and its molar mass is 260.76 g/mol. The systematic (IUPAC) name is 2-[3-(chloromethyl)-5-(2-cyanopropan-2-yl)phenyl]-2-methylpropanenitrile. InChIKey HSNGPKBBTHINTG-UHFFFAOYSA-N lets you match it in any structure database.
How is Anastrozole EP Impurity I used in pharmaceutical QC?
Anastrozole EP Impurity I 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 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 Anastrozole 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 Anastrozole EP Impurity I to my country?
Yes. Because Anastrozole 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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