Ethyl (s)-4-cyano-3-hydroxybutyrate

About Ethyl (s)-4-cyano-3-hydroxybutyrate

Ethyl (s)-4-cyano-3-hydroxybutyrate is a metabolite or degradation product of Atorvastatin carrying the CAS registry number 312745-91-8. Formula C7H11NO3, molecular weight 157.17 g/mol. The IUPAC name is ethyl (3S)-4-cyano-3-hydroxybutanoate. Common synonyms include (S)-Ethyl 4-cyano-3-hydroxybutanoate and ethyl (s)-4-cyano-3-hydroxybutanoate.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Analytical teams use this compound to identify metabolites and degradants of Atorvastatin, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Ethyl (s)-4-cyano-3-hydroxybutyrate in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Atorvastatin

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

Atorvastatin impurities

Specifications & identifiers

Chemical identifiers
Product name	Ethyl (s)-4-cyano-3-hydroxybutyrate
Catalogue No.	VQ-047465
CAS Number	312745-91-8
IUPAC name	ethyl (3S)-4-cyano-3-hydroxybutanoate
Molecular formula	C₇H₁₁NO₃
Molecular weight	157.17 g/mol
Exact mass	157.0739
Grade	Reference Standard
HSN code	38229090
InChIKey	LOQFROBMBSKWQY-LURJTMIESA-N
SMILES	CCOC(=O)C[C@H](CC#N)O
PubChem CID	7020868

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.5
H-bond donors / acceptors	1 / 4
TPSA	70.3 Å²
Synonyms	(S)-Ethyl 4-cyano-3-hydroxybutanoate, ethyl (s)-4-cyano-3-hydroxybutanoate, Butanoic acid, 4-cyano-3-hydroxy-, ethyl ester, (3S)-, ethyl (3S)-4-cyano-3-hydroxy-butanoate, (3S)-4-Cyano-3-hydroxy-butanoic Acid Ethyl Ester

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, 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 Ethyl (s)-4-cyano-3-hydroxybutyrate?

The CAS Registry Number of Ethyl (s)-4-cyano-3-hydroxybutyrate is 312745-91-8. It is also known as (S)-Ethyl 4-cyano-3-hydroxybutanoate, ethyl (s)-4-cyano-3-hydroxybutanoate, Butanoic acid, 4-cyano-3-hydroxy-, ethyl ester, (3S)-.

What is the molecular formula and molecular weight of Ethyl (s)-4-cyano-3-hydroxybutyrate?

Ethyl (s)-4-cyano-3-hydroxybutyrate has the molecular formula C7H11NO3 and a molecular weight of 157.17 g/mol. Its IUPAC name is ethyl (3S)-4-cyano-3-hydroxybutanoate.

What is Ethyl (s)-4-cyano-3-hydroxybutyrate used for?

Ethyl (s)-4-cyano-3-hydroxybutyrate is supplied as a characterised reference material related to Atorvastatin. 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 Ethyl (s)-4-cyano-3-hydroxybutyrate can I order?

We supply Ethyl (s)-4-cyano-3-hydroxybutyrate 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 Ethyl (s)-4-cyano-3-hydroxybutyrate?

Yes. Every lot of Ethyl (s)-4-cyano-3-hydroxybutyrate 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 Ethyl (s)-4-cyano-3-hydroxybutyrate be shipped internationally?

Yes. Ethyl (s)-4-cyano-3-hydroxybutyrate 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.