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Home/Compounds/Pharmaceutical Intermediate/Corey lactone 4-phenylbenzoate
C21H20O5
352.4 g/mol
Pharmaceutical Intermediate

(1,1'-Biphenyl)-4-carboxylic acid, (3aR,4S,5R,6aS)-hexahydro-4-(hydroxymethyl)-2-oxo-2H-cyclopenta(b)furan-5-yl ester

CAS31752-99-5
Category
Pharmaceutical Intermediate
Compound Class
Ester
Primary Use
Pharmaceutical Intermediate

This compound is a pharmaceutical intermediate used in the synthesis of prostaglandins. It features a bicyclic core with hydroxyl and ester functionalities, along with aromatic rings.

Pharmaceutical intermediate for prostaglandin 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

ApplicationSame Use

(3aR,4R,5R,6aS)-5-((tert-Butyldimethylsilyl)oxy)-4-((E)-3-oxooct-1-en-1-yl)hexahydro-2H-cyclopenta[b]furan-2-one

CAS64072-25-9

pharmaceutical intermediate

ReferenceSame Category

N-Boc-1,2-Diaminocyclohexane

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pharmaceutical intermediate

ReferenceSame Category

3-methoxyanthranilic acid

CAS3177-80-8

pharmaceutical intermediate

ReferenceSame Category

2-Methyl-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine

CAS318237-73-9

pharmaceutical intermediate

ReferenceSame Category

5-Hydroxy-4-methoxy-2-nitrobenzoic acid

CAS31839-20-0

pharmaceutical intermediate

Customs Tariff Classification

The international HS code for (1,1'-Biphenyl)-4-carboxylic acid, (3aR,4S,5R,6aS)-hexahydro-4-(hydroxymethyl)-2-oxo-2H-cyclopenta(b)furan-5-yl ester (CAS 31752-99-5) is 2932.20.

HS code (international, 6-digit)

2932.20

EU CN code (8-digit)

2932 20 90

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

[(3aR,4S,5R,6aS)-4-(hydroxymethyl)-2-oxo-3,3a,4,5,6,6a-hexahydrocyclopenta[b]furan-5-yl] 4-phenylbenzoate

InChIKey

SZJVIFMPKWMGSX-AKHDSKFASA-N

SMILES

C1[C@H]2[C@H](CC(=O)O2)[C@H]([C@@H]1OC(=O)C3=CC=C(C=C3)C4=CC=CC=C4)CO

Synonyms (24)
  • BPCOD
  • (-)-Corey lactone, 4-PBP
  • Corey lactone, (-)-
  • Travoprost Impurity 28
  • Travoprost Impurity 31

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