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Pharmacopeial Impurities (EP / USP / BP)

Quinapril EP Impurity A

Reference StandardAvailable on request

Order Quinapril EP Impurity A (CAS 74163-81-8) online at Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes
Quinapril EP Impurity A chemical structure
CAS number74163-81-8
FormulaC10H11NO2
Molar mass177.2 g/mol
Physical formSolid
HS code38229090
InChIKeyBWKMGYQJPOAASG-VIFPVBQESA-N
IUPAC name(3S)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid

About Quinapril EP Impurity A

Analytical teams working on Quinapril use Quinapril EP Impurity A as a qualified comparison standard. Key data (Reference Standard): CAS 74163-81-8, formula C10H11NO2 and molar mass 177.2 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Safe handling

It carries the GHS signal word Warning (H315, H319 and H335), 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. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Quinapril

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

Quinapril 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 Quinapril EP Impurity A
Product nameQuinapril EP Impurity A
Catalogue numberZX-022618
CAS number74163-81-8
IUPAC name(3S)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid
Molecular formulaC10H11NO2
Molar mass177.2 g/mol
Exact mass177.079
GradeReference Standard
Physical formSolid
XLogP3-1.3
H-bond donors / acceptors2 / 3
Topological polar surface area49.3 Ų
HS code38229090
InChIKeyBWKMGYQJPOAASG-VIFPVBQESA-N
SMILESC1[C@H](NCC2=CC=CC=C21)C(=O)O
PubChem CID2733226
SynonymsL-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid, Quinapril Hydrochloride - Impurity A, (S)-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid, L-Porretine, (-)-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid, 1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid, (S)-, (S)-1,2,3,4-Tetrahydro-3-isoquinolinecarboxylic acid, (S)-(-)-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic Acid, 3-Isoquinolinecarboxylic acid, 1,2,3,4-tetrahydro-, (3S)-, L-Tic, L-Tic-OH, 1,2,3,4-tetrahydro-3(s)-isoquinolinecarboxylic acid

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

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, 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 Quinapril 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 Quinapril EP Impurity A

Which CAS number identifies Quinapril EP Impurity A?
Quinapril EP Impurity A is registered under CAS 74163-81-8. You may also see it listed as L-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid, Quinapril Hydrochloride - Impurity A, (S)-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid. Our catalogue number for this item is ZX-022618.
What are the formula and molar mass of Quinapril EP Impurity A?
For Quinapril EP Impurity A, its formula is C10H11NO2 and its molar mass is 177.2 g/mol. The systematic (IUPAC) name is (3S)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid. InChIKey BWKMGYQJPOAASG-VIFPVBQESA-N lets you match it in any structure database.
How is Quinapril EP Impurity A used in pharmaceutical QC?
Quinapril EP Impurity A is a characterised reference material linked to Quinapril. 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 Quinapril EP Impurity A?
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 Quinapril 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 Quinapril EP Impurity A to my country?
Yes. Because Quinapril 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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