Carbidopa WS

About Carbidopa WS

Carbidopa WS is a high-purity reference standard of Carbidopa carrying the CAS registry number 28860-95-9. With the molecular formula C10H14N2O4, it has a molar mass of 226.23 g/mol. The IUPAC name is (2S)-3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoic acid. Alternative names: (S)-(-)-Carbidopa and Carbidopa.

The product is provided 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.

As a reference sample of Carbidopa, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Carbidopa WS is dispatched with a Certificate of Analysis (COA) to destinations worldwide. This item is currently in stock for prompt dispatch.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Carbidopa

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

Carbidopa impurities

Specifications & identifiers

Chemical identifiers
Product name	Carbidopa WS
Catalogue No.	VQ-007374
CAS Number	28860-95-9
Other CAS	38821-49-7
IUPAC name	(2S)-3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoic acid
Molecular formula	C₁₀H₁₄N₂O₄
Molecular weight	226.23 g/mol
Exact mass	226.0954
Grade	Reference Standard
HSN code	38229090
InChIKey	TZFNLOMSOLWIDK-JTQLQIEISA-N
SMILES	C[C@](CC1=CC(=C(C=C1)O)O)(C(=O)O)NN
PubChem CID	34359

Physical properties
Physical form	Solid
LogP (XLogP3)	-2.2
H-bond donors / acceptors	5 / 6
TPSA	116 Å²
Synonyms	(S)-(-)-Carbidopa, (αS)-α-Hydrazinyl-3,4-dihydroxy-α-methylbenzenepropanoic acid, (2S)-2-(Aminoazaniumyl)-3-(3,4-dihydroxyphenyl)-2-methylpropanoate, Carbidopa, (S)-3-(3,4-Dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoic acid, L-α-Hydrazino-α-methyl-β-(3,4-dihydroxyphenyl)propionic acid, N-Aminomethyldopa, Lodosyn, L-3-(3,4-Dihydroxyphenyl)-2-methyl-2-hydrazinopropionic acid, Carbidopa anhydrous, (S)-carbidopa, alpha-Methyldopahydrazine

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H351Suspected of causing cancer
H360May damage fertility or the unborn child

Precautionary statements: P203, P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P318, 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 Carbidopa WS?

The CAS Registry Number of Carbidopa WS is 28860-95-9. It is also known as (S)-(-)-Carbidopa, (αS)-α-Hydrazinyl-3,4-dihydroxy-α-methylbenzenepropanoic acid, (2S)-2-(Aminoazaniumyl)-3-(3,4-dihydroxyphenyl)-2-methylpropanoate.

What is the molecular formula and molecular weight of Carbidopa WS?

Carbidopa WS has the molecular formula C10H14N2O4 and a molecular weight of 226.23 g/mol. Its IUPAC name is (2S)-3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoic acid.

What is Carbidopa WS used for?

Carbidopa WS is supplied as a characterised reference material related to Carbidopa. 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 Carbidopa WS can I order?

We supply Carbidopa WS in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Carbidopa WS?

Yes. Every lot of Carbidopa WS 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 Carbidopa WS be shipped internationally?

Yes. Carbidopa WS 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.