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VAQORACHEMICALS
API ImpuritiesReference StandardAvailable on request

Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate

Synonyms: rac-Carbidopa Methyl Ester · Carbidopa Methyl Ester Racemate · Carbidopa Methyl Ester · (S)-Carbidopa Methyl Ester

CAS No.91431-01-5
FormulaC11H16N2O4
Mol. weight240.26
Catalogue No.VQ-024774
PurityReference Standard
HSN38229090

Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate (CAS 91431-01-5) – Carbidopa impurity standard. C11H16N2O4, MW 240.26. COA included.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate

Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate (CAS 91431-01-5) is an impurity of Carbidopa offered by Vaqora Chemicals. The compound has the formula C11H16N2O4, corresponding to a molecular weight of 240.26 g/mol. It is also known as rac-Carbidopa Methyl Ester or Carbidopa Methyl Ester Racemate.

It is supplied 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 4 hazard statements. Review the Safety Data Sheet before use.

Pharmaceutical QC and development laboratories use this impurity standard of Carbidopa to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Industries

Related to Carbidopa

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

Carbidopa impurities

Specifications & identifiers

Chemical identifiers
Product nameMethyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate
Catalogue No.VQ-024774
CAS Number91431-01-5
IUPAC namemethyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate
Molecular formulaC11H16N2O4
Molecular weight240.26 g/mol
Exact mass240.111
GradeReference Standard
HSN code38229090
InChIKeyIETYBXLXKYRFEN-UHFFFAOYSA-N
SMILESCC(CC1=CC(=C(C=C1)O)O)(C(=O)OC)NN
PubChem CID13589972
Physical properties
Physical formSolid
LogP (XLogP3)0.4
H-bond donors / acceptors4 / 6
TPSA105 Ų
Synonymsrac-Carbidopa Methyl Ester, Carbidopa Methyl Ester Racemate, Carbidopa Methyl Ester, (S)-Carbidopa Methyl Ester, Racemic carbidopa methyl ester, a-Hydrazino-3,4-dihydroxy-a-methylhydrocinnamic acid methy, methyl 3-(3,4-dihydroxyphenyl)-2-hydrazino-2-methyl-propanoate, Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazino-2-methyl-propionate, Methyl alpha-hydrazinyl-3,4-dihydroxy-alpha-methylbenzenepropanoate, a-Hydrazinyl-3,4-dihydroxy-a-methylbenzenepropanoic acid methyl ester, Benzenepropanoic acid, alpha-hydrazino-3,4-dihydroxy-alpha-methyl-, methyl ester, Benzenepropanoic acid, alpha-hydrazinyl-3,4-dihydroxy-alpha-methyl-, methyl ester

Safety & hazard information (GHS)

GHS07 Harmful / irritant
Harmful / irritant

Signal word: Warning

Hazard statements

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, 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

Frequently asked questions

What is the CAS number of Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate?

The CAS Registry Number of Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate is 91431-01-5. It is also known as rac-Carbidopa Methyl Ester, Carbidopa Methyl Ester Racemate, Carbidopa Methyl Ester.

What is the molecular formula and molecular weight of Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate?

Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate has the molecular formula C11H16N2O4 and a molecular weight of 240.26 g/mol. Its IUPAC name is methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate.

What is Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate used for?

Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate 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 Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate can I order?

We supply Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate 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 Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate?

Yes. Every lot of Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate 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 Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate be shipped internationally?

Yes. Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate 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.

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
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  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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