Carbidopa monohydrate

卡比多巴一水合物

Also known as: Carbidopa monohydrate, (S)-(-)-Carbidopa monohydrate, Carbidopa hydrate, Lodosyn, (2S)-3-(3,4-dihydroxyphenyl)-2-hydrazino-2-methylpropanoic acid hydrate (1:1), MFCD00889211

Carbidopa monohydrate (CAS 38821-49-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C10H16N2O5 and a molecular weight of 244.244 g/mol. It is also known as (S)-(-)-Carbidopa monohydrate, Carbidopa hydrate and Lodosyn. Key properties include a boiling point of 528.7ºC at 760 mmHg, a density of 1.42 g/cm3 and a flash point of 273.5ºC. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 38821-49-7
Jingsj CID: J-33494-3
Molecular Formula: C₁₀H₁₆N₂O₅
Chinese Name: 卡比多巴一水合物
Molecular Weight: 244.244 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	528.7ºC at 760 mmHg
Density	1.42 g/cm3
Flash Point	273.5ºC
Exact Mass	244.105927
PSA	125.04000
LogP	0.97380

GHS Safety & Compliance

IrritantSignal word: Warning

H319 — Causes serious eye irritation

Activity & Biological Data

Additional Information	[1]. Safe S. Carbidopa: a selective Ah receptor modulator (SAhRM). Biochem J. 2017;474(22):3763-3765. Published 2017 Nov 6. [2]. Fermaglich J. Treatment of Parkinson's disease with carbidopa, a peripheral decarboxylase inhibitor, and levodopa. Med Ann Dist Columbia. 1974;43(12):587-591. [3]. Gilbert JA, et al. The aromatic-L-amino acid decarboxylase inhibitor carbidopa is selectively cytotoxic to human pulmonary carcinoid and small cell lung carcinoma cells. Clin Cancer Res. 2000;6(11):4365-4372.

Additional Information

[1]. Safe S. Carbidopa: a selective Ah receptor modulator (SAhRM). Biochem J. 2017;474(22):3763-3765. Published 2017 Nov 6. [2]. Fermaglich J. Treatment of Parkinson's disease with carbidopa, a peripheral decarboxylase inhibitor, and levodopa. Med Ann Dist Columbia. 1974;43(12):587-591. [3]. Gilbert JA, et al. The aromatic-L-amino acid decarboxylase inhibitor carbidopa is selectively cytotoxic to human pulmonary carcinoid and small cell lung carcinoma cells. Clin Cancer Res. 2000;6(11):4365-4372.

Customs & Trade Information

HS Code	2928000090
Summary	2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Carbidopa monohydrate?

The CAS number of Carbidopa monohydrate is 38821-49-7.

What are the molecular formula and molecular weight of Carbidopa monohydrate?

Carbidopa monohydrate has molecular formula C10H16N2O5 and molecular weight 244.244 g/mol.

Is Carbidopa monohydrate hazardous?

Carbidopa monohydrate has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Carbidopa monohydrate (CAS 38821-49-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33494-3 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.