Metadoxine

美他多辛

Also known as: Metadoxil, Metadoxin, Metasin, Pyridoxine pyroglutamate, 5-Oxo-L-proline - 4,5-bis(hydroxymethyl)-2-methyl-3-pyridinol (1:1), 5-Hydroxy-6-methyl-3,4-pyridinedimethanol, 5-Oxo-L-proline, EINECS 277-913-8, MFCD08704232, UNII:EJQ7M98H5J

Metadoxine (CAS 74536-44-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C13H18N2O6 and a molecular weight of 298.292 g/mol. It is also known as Metadoxil, Metadoxin and Metasin. Key properties include a melting point of 102-104ºC, a boiling point of 491.9ºC at 760 mmHg and a flash point of 251.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 74536-44-0
Jingsj CID: J-1955166-3
Molecular Formula: C₁₃H₁₈N₂O₆
Chinese Name: 美他多辛
Molecular Weight: 298.292 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	102-104ºC
Boiling Point	491.9ºC at 760 mmHg
Flash Point	251.3ºC
Exact Mass	298.116486
PSA	139.98000
Storage Conditions	Refrigerator

Activity & Biological Data

Additional Information	[1]. Yang YM, et al. Metadoxine, an ion-pair of pyridoxine and L-2-pyrrolidone-5-carboxylate, blocks adipocyte differentiation in association with inhibition of the PKA-CREB pathway. Arch Biochem Biophys. 2009 Aug 15;488(2):91-9.

Customs & Trade Information

HS Code	2936250000
Summary	HS: 2936250000. (5-hydroxy-6-methylpyridine-3,4-diyl)dimethanol. VAT:17.0%. tax rebate rate:13.0%. supervision conditions:ab(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tarrif:4.0%. general tariff:20.0%

Frequently Asked Questions

What is the CAS number of Metadoxine?

The CAS number of Metadoxine is 74536-44-0.

What are the molecular formula and molecular weight of Metadoxine?

Metadoxine has molecular formula C13H18N2O6 and molecular weight 298.292 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Metadoxine (CAS 74536-44-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1955166-3 (accessed 2026-10-28).

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