C5H12O2
104.15 g/mol
Pharmaceutical IntermediateWarning
(2R,4R)-pentane-2,4-diol
CAS42075-32-1EC962-511-3
Category
Pharmaceutical Intermediate
Compound Class
Alcohol
Primary Use
Pharmaceutical Intermediate
(2R,4R)-Pentane-2,4-diol is a chiral diol compound used as a pharmaceutical intermediate. It is employed in the synthesis of the active pharmaceutical ingredient olmesartan medoxomil, particularly for introducing stereochemical control during manufacturing.
pharmaceutical intermediate for olmesartan medoxomilchiral auxiliary in stereoselective 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
ReferenceSame Category
Trifluoroacetone
CAS421-50-1
pharmaceutical intermediate
ReferenceSame Category
Methyl 2-chloro-5-aminobenzoate
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pharmaceutical intermediate
ReferenceSame Category
2-Amino-5-cyanopyridine
CAS4214-73-7
pharmaceutical intermediate
ReferenceSame Category
2-Amino-3,5-dichloropyridine
CAS4214-74-8
pharmaceutical intermediate
Referencestereoisomer of
(S,S)-2,4-pentanediol
CAS72345-23-4
pharmaceutical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for (2R,4R)-pentane-2,4-diol (CAS 42075-32-1) is 2905.39.
HS code (international, 6-digit)
2905.39
EU CN code (8-digit)
2905 39 95
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,4R)-pentane-2,4-diol
InChIKey
GTCCGKPBSJZVRZ-RFZPGFLSSA-N
SMILES
C[C@H](C[C@@H](C)O)O
Synonyms (14)
- (2R,4R)-(-)-2,4-Pentanediol
- (2R,4R)-(-)-Pentanediol
- (2R,4R)-pentane-2,4-diol
- (R*,R*)-Pentane-2,4-diol
- (R,R)-(-)-2,4-Pentanediol
- 2(R),4(R)-dihydroxypentane
- 2,4-PENTANEDIOL, (2R,4R)-
- 2,4-PENTANEDIOL, (2R,4R)-REL-
- 2,4-PENTANEDIOL, (R*,R*)-
- 2,4-PENTANEDIOL, (R-(R*,R*))-
- 2,4-Pentanediol, (-)-
- rel-(2R,4R)-2,4-Pentanediol
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