C33H33FN2O4
540.6 g/mol
APIWarning
Atorvastatin lactone
CAS125995-03-1EC418-950-3
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Atorvastatin lactone is the lactone form of the statin drug atorvastatin, used as a reference standard for impurity analysis in pharmaceutical quality control. It is a chemical compound supplied primarily for laboratory and research purposes, aiding in the identification and quantification of related impurities during drug manufacturing.
pharmaceutical impurity reference standardquality control testing in drug manufacturing
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Safety Reference
Warning
H413May cause long lasting harmful effects to aquatic life
H302Harmful if swallowed
Customs Tariff Classification
The international HS code for Atorvastatin lactone (CAS 125995-03-1) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
5-(4-fluorophenyl)-1-[2-[(2R,4R)-4-hydroxy-6-oxooxan-2-yl]ethyl]-N,4-diphenyl-2-propan-2-ylpyrrole-3-carboxamide
InChIKey
OUCSEDFVYPBLLF-KAYWLYCHSA-N
SMILES
CC(C)C1=C(C(=C(N1CC[C@@H]2C[C@H](CC(=O)O2)O)C3=CC=C(C=C3)F)C4=CC=CC=C4)C(=O)NC5=CC=CC=C5
Synonyms (21)
- Atorvastatin EP Impurity H
- Atorvastatin EP Impurity H; USP Atorvastatin Related Compound H
- Atorvastatin IMpurity H
- Atorvastatin delta-Lactone
- Atorvastatin lactone
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