(-)-Dimethyl 2,3-O-benzylidene-L-tartrate

Also known as: (4R,5R)-2-Phenyl-1,3-dioxolane-4,5-dicarboxylic acid dimethyl ester, (R,R)-(-)-Dimethyl 2,3-O-benzylidene-L-tartrate, Dimethyl (4R,5R)-2-phenyl-1,3-dioxolane-4,5-dicarboxylate, Dimethyl 2,3-O-benzylidene-L-tartrate, (-)-2,3-O-Benzylidene-L-tartaric acid dimethyl ester

(-)-Dimethyl 2,3-O-benzylidene-L-tartrate (CAS 38270-72-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H14O6 and a molecular weight of 266.24700 g/mol. Key properties include a melting point of 74-76ºC(lit.), a boiling point of 357.6ºC at 760mmHg, a density of 1.266g/cm3 and a flash point of 157.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 38270-72-3
Jingsj CID: J-798526-4
Molecular Formula: C₁₃H₁₄O₆
Molecular Weight: 266.24700 g/mol
Category: Organic Acids
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	74-76ºC(lit.)
Boiling Point	357.6ºC at 760mmHg
Density	1.266g/cm3
Flash Point	157.3ºC
Exact Mass	266.07900
PSA	71.06000
LogP	0.81520
Refractive Index	1.515

Customs & Trade Information

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of (-)-Dimethyl 2,3-O-benzylidene-L-tartrate?

The CAS number of (-)-Dimethyl 2,3-O-benzylidene-L-tartrate is 38270-72-3.

What are the molecular formula and molecular weight of (-)-Dimethyl 2,3-O-benzylidene-L-tartrate?

(-)-Dimethyl 2,3-O-benzylidene-L-tartrate has molecular formula C13H14O6 and molecular weight 266.24700 g/mol.

What are the upstream and downstream products of (-)-Dimethyl 2,3-O-benzylidene-L-tartrate?

For (-)-Dimethyl 2,3-O-benzylidene-L-tartrate, Downstream Products: D-(+)-Malic acid diethyl ester, (-)-2,3-O-Benzylidene-L-threitol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(-)-Dimethyl 2,3-O-benzylidene-L-tartrate (CAS 38270-72-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-798526-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.