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API Impurities

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

Reference StandardAvailable on request

Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate (CAS 91431-01-5) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate chemical structure
CAS number91431-01-5
FormulaC11H16N2O4
Molar mass240.26 g/mol
Physical formSolid
HS code38229090
InChIKeyIETYBXLXKYRFEN-UHFFFAOYSA-N
IUPAC namemethyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate

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

Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate is supplied by Zemixal as a characterised reference material for Carbidopa analysis. Identity at a glance (Reference Standard): CAS 91431-01-5, formula C11H16N2O4 and molar mass 240.26 g/mol. It is handled as a solid.

Where it is used

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

Safe handling

It carries the GHS signal word Warning (H302, H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Carbidopa

See every impurity, metabolite and related compound we list for this API.

Carbidopa standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate
Product nameMethyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate
Catalogue numberZX-023759
CAS number91431-01-5
IUPAC namemethyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate
Molecular formulaC11H16N2O4
Molar mass240.26 g/mol
Exact mass240.111
GradeReference Standard
Physical formSolid
XLogP30.4
H-bond donors / acceptors4 / 6
Topological polar surface area105 Ų
HS code38229090
InChIKeyIETYBXLXKYRFEN-UHFFFAOYSA-N
SMILESCC(CC1=CC(=C(C=C1)O)O)(C(=O)OC)NN
PubChem CID13589972
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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

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

Which CAS number identifies Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate?
Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate is registered under CAS 91431-01-5. You may also see it listed as rac-Carbidopa Methyl Ester, Carbidopa Methyl Ester Racemate, Carbidopa Methyl Ester. Our catalogue number for this item is ZX-023759.
What are the formula and molar mass of Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate?
For Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate, its formula is C11H16N2O4 and its molar mass is 240.26 g/mol. The systematic (IUPAC) name is methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate. InChIKey IETYBXLXKYRFEN-UHFFFAOYSA-N lets you match it in any structure database.
How is Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate used in pharmaceutical QC?
Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate is a characterised reference material linked to Carbidopa. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate to my country?
Yes. Because Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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