Ochratoxin A

Name: Ochratoxin A
Brand: Vaqora Chemicals
SKU: VQ-038710

About Ochratoxin A

Ochratoxin A (CAS 303-47-9) is a high-purity reference standard of Ochratoxin a offered by Vaqora Chemicals. The compound has the formula C20H18ClNO6, corresponding to a molecular weight of 403.8 g/mol. Common synonyms include Antibiotic 9663 and Phenylalanine-ochratoxin A.

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 “Danger”, so handle it with suitable PPE and consult the SDS.

Laboratories use this Ochratoxin a standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Ochratoxin A in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Ochratoxin a

View every impurity, metabolite and intermediate we list for Ochratoxin a.

Ochratoxin a impurities

Specifications & identifiers

Chemical identifiers
Product name	Ochratoxin A
Catalogue No.	VQ-038710
CAS Number	303-47-9
IUPAC name	(2S)-2-[[(3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydroisochromene-7-carbonyl]amino]-3-phenylpropanoic acid
Molecular formula	C₂₀H₁₈ClNO₆
Molecular weight	403.8 g/mol
Exact mass	403.0823
Grade	Reference Standard
HSN code	38229090
InChIKey	RWQKHEORZBHNRI-BMIGLBTASA-N
SMILES	C[C@@H]1CC2=C(C=C(C(=C2C(=O)O1)O)C(=O)N[C@@H](CC3=CC=CC=C3)C(=O)O)Cl
PubChem CID	442530

Physical properties
Physical form	Solid
LogP (XLogP3)	4.7
H-bond donors / acceptors	3 / 6
TPSA	113 Å²
Synonyms	Antibiotic 9663, (-)-N-((5-Chloro-8-hydroxy-3-methyl-1-oxo-7-isochromanyl)carbonyl)-3-phenylalanine, Phenylalanine-ochratoxin A, N-(((3R)-5-Chloro-8-hydroxy-3-methyl-1-oxo-7-isochromanyl)carbonyl)-3-phenyl-L-alanine, Alanine, N-((5-chloro-8-hydroxy-3-methyl-1-oxo-7-isochromanyl)carbonyl)-3-phenyl-, (-)-, Alanine, N-[(5-chloro-8-hydroxy-3-methyl-1-oxo-7-isochromanyl)carbonyl]-3-phenyl-, (-)-, Phenylalanine - ochratoxin A, 3R14S-Ochratoxin A, Ochratoxin A-BSA conjugate from Aspergillus ochraceus, Ochratoxin A(OTA), Ochratoxin A from Aspergillus ochraceus

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H300Fatal if swallowed
H319Causes serious eye irritation
H330Fatal if inhaled
H351Suspected of causing cancer
H361Suspected of damaging fertility or the unborn child
H413May cause long lasting harmful effects to aquatic life

Precautionary statements: P203, P260, P264, P264 + P265, P270, P271, P273, P280, P284, P301 + P316, P304 + P340, P305 + P351 + P338, P316, P318, P320, P321, P330, P337 + P317, 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

Other grades of CAS 303-47-9

Ochratoxin A, ≥99.00%

CAS: 303-47-9
Formula: C₂₀H₁₈ClNO₆
MW: 403.8 g/mol

VQ-020523

Frequently asked questions

What is the CAS number of Ochratoxin A?

The CAS Registry Number of Ochratoxin A is 303-47-9. It is also known as Antibiotic 9663, (-)-N-((5-Chloro-8-hydroxy-3-methyl-1-oxo-7-isochromanyl)carbonyl)-3-phenylalanine, Phenylalanine-ochratoxin A.

What is the molecular formula and molecular weight of Ochratoxin A?

Ochratoxin A has the molecular formula C20H18ClNO6 and a molecular weight of 403.8 g/mol. Its IUPAC name is (2S)-2-[[(3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydroisochromene-7-carbonyl]amino]-3-phenylpropanoic acid.

What is Ochratoxin A used for?

Ochratoxin A is supplied as a characterised reference material related to Ochratoxin a. 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 Ochratoxin A can I order?

We supply Ochratoxin 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 Ochratoxin A?

Yes. Every lot of Ochratoxin 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 Ochratoxin A be shipped internationally?

Yes. Ochratoxin 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.