C20H18O8
386.4 g/mol
Pharmaceutical IntermediateWarning
(-)-Di-p-toluoyl-L-tartaric acid
CAS32634-66-5
Category
Pharmaceutical Intermediate
Compound Class
Organic Acid
Primary Use
Pharmaceutical Intermediate
This compound is a chiral resolving agent used in pharmaceutical manufacturing. It is a stereochemically pure form of a diacid ester containing aromatic rings and multiple polar functional groups.
Chiral resolution in pharmaceutical synthesis
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
(2R,3R)-2,3-Bis[(4-methylbenzoyl)oxy]butanedioic acid compd. with (3R,4R)-N,4-dimethyl-1-(phenylmethyl)-3-piperidinamine
CAS477600-71-8
pharmaceutical intermediate
StrongSame Parent
Di-p-toluoyl-D-tartaric acid monohydrate
CAS71607-32-4
pharmaceutical intermediate
ReferenceSame Category
6-methylenehydroxyprogesterone acetate
CAS32634-95-0
pharmaceutical intermediate
ReferenceSame Category
4-Imidazolemethanol hydrochloride
CAS32673-41-9
pharmaceutical intermediate
ReferenceSame Category
L-Glutamic acid di-tert-butyl ester hydrochloride
CAS32677-01-3
pharmaceutical intermediate
ReferenceSame Category
2-Amino-5-cyanobenzotrifluoride
CAS327-74-2
pharmaceutical intermediate
Referencestereoisomer of
(+)-ditoluoyltartaric acid
CAS32634-68-7
research compound
Referencestereoisomer of
Di-p-toluoyl-D-tartaric acid monohydrate
CAS71607-31-3
pharmaceutical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for (-)-Di-p-toluoyl-L-tartaric acid (CAS 32634-66-5) is 2918.13.
HS code (international, 6-digit)
2918.13
EU CN code (8-digit)
2918 13 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
(2R,3R)-2,3-bis[(4-methylbenzoyl)oxy]butanedioic acid
InChIKey
CMIBUZBMZCBCAT-HZPDHXFCSA-N
SMILES
CC1=CC=C(C=C1)C(=O)O[C@H]([C@H](C(=O)O)OC(=O)C2=CC=C(C=C2)C)C(=O)O
Synonyms (14)
- Tartaric acid, di-p-toluate
- l-dtta
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