Quinapril EP Impurity A

Name: Quinapril EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-023599

About Quinapril EP Impurity A

Vaqora Chemicals supplies Quinapril EP Impurity A, a pharmacopeial impurity of Quinapril registered under CAS number 74163-81-8. Formula C10H11NO2, molecular weight 177.2 g/mol. The IUPAC name is (3S)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid. Common synonyms include Quinapril Hydrochloride - Impurity A and L-Porretine.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

This Quinapril impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Quinapril

View every impurity, metabolite and intermediate we list for Quinapril.

Quinapril impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Quinapril EP Impurity A
Catalogue No.	VQ-023599
CAS Number	74163-81-8
IUPAC name	(3S)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid
Molecular formula	C₁₀H₁₁NO₂
Molecular weight	177.2 g/mol
Exact mass	177.079
Grade	Reference Standard
HSN code	38229090
InChIKey	BWKMGYQJPOAASG-VIFPVBQESA-N
SMILES	C1[C@H](NCC2=CC=CC=C21)C(=O)O
PubChem CID	2733226

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.3
H-bond donors / acceptors	2 / 3
TPSA	49.3 Å²
Synonyms	L-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

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Quinapril EP Impurity A?

The CAS Registry Number of Quinapril EP Impurity A is 74163-81-8. It is also known as L-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid, Quinapril Hydrochloride - Impurity A, (S)-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid.

What is the molecular formula and molecular weight of Quinapril EP Impurity A?

Quinapril EP Impurity A has the molecular formula C10H11NO2 and a molecular weight of 177.2 g/mol. Its IUPAC name is (3S)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid.

What is Quinapril EP Impurity A used for?

Quinapril EP Impurity A is supplied as a characterised reference material related to Quinapril. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Quinapril EP Impurity A can I order?

We supply Quinapril EP Impurity A in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Quinapril EP Impurity A?

Yes. Every lot of Quinapril EP Impurity A is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Quinapril EP Impurity A be shipped internationally?

Yes. Quinapril EP Impurity A is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.