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Home/Compounds/API/Ulobetasol
C22H27ClF2O4
428.9 g/mol
API

Halobetasol

CAS98651-66-2
Category
API
Compound Class
Steroid
Primary Use
Pharmaceutical Raw Material

Halobetasol is a corticosteroid hormone. It is a highly potent compound structurally related to clobetasol, used as an active pharmaceutical ingredient in topical formulations.

Compound for the manufacture of topical corticosteroid preparationsRaw material for dermatological pharmaceutical formulations

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

SimilarStructure SimilarSimilarity 0.85

Flumetasone

CAS2135-17-3

pharmaceutical raw material

SimilarStructure SimilarSimilarity 0.85

Diflorasone

CAS2557-49-5

pharmaceutical raw material

SimilarStructure SimilarSimilarity 0.80

(6a,11b,16a,17a)-6,9-Difluoro-11,17-dihydroxy-16-methyl-3-oxoandrosta-1,4-diene-17-carboxylic acid

CAS28416-82-2

pharmaceutical raw material

SimilarStructure SimilarSimilarity 0.75

Fluticasone

CAS90566-53-3

pharmaceutical raw material

ReferenceSame Category

Betamethasone acetate

CAS987-24-6

pharmaceutical raw material

ReferenceSame Category

Adenosine triphosphate disodium

CAS987-65-5

pharmaceutical raw material

ReferenceSame Category

Citicoline

CAS987-78-0

pharmaceutical raw material

ReferenceSame Category

Cefpirome sulfate

CAS98753-19-6

pharmaceutical raw material

Customs Tariff Classification

The international HS code for Halobetasol (CAS 98651-66-2) is 2937.22.

HS code (international, 6-digit)

2937.22

EU CN code (8-digit)

2937 22 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

(6S,8S,9R,10S,11S,13S,14S,16S,17R)-17-(2-chloroacetyl)-6,9-difluoro-11,17-dihydroxy-10,13,16-trimethyl-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one

InChIKey

LEHFPXVYPMWYQD-XHIJKXOTSA-N

SMILES

C[C@H]1C[C@H]2[C@@H]3C[C@@H](C4=CC(=O)C=C[C@@]4([C@]3([C@H](C[C@@]2([C@]1(C(=O)CCl)O)C)O)F)C)F

Synonyms (18)
  • Ulobetasol (INN)
  • 21-chloro diflorasone
  • Halobetasol
  • Halobetasol (Standard)
  • Halometasol
  • Ulobetasol
  • Ulobetasolum

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