C13H10N2O3S
274.3 g/mol
APIWarning
Ensulizole
CAS27503-81-7EC248-502-0
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Ensulizole is a benzimidazole derivative that functions as a UVA/UVB sunscreen agent. It is commonly incorporated into personal care products for ultraviolet radiation protection.
sun protection in personal care productsUVA/UVB sunscreen agent
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
Mebeverine hydrochloride
CAS2753-45-9
pharmaceutical raw material
ReferenceSame Category
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pharmaceutical raw material
ReferenceSame Category
Ensitrelvir fumarate
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pharmaceutical raw material
ReferenceSame Category
HM43239 monohydrate
CAS2758339-04-5
pharmaceutical raw material
Referencesame scaffold
2-phenylbenzimidazole
CAS716-79-0
sunscreen agent intermediate
Referencesame scaffold
Chlorfenazole
CAS3574-96-7
fungicide
Referencesame scaffold
1H-Benzimidazole, 2-(2-bromophenyl)-
CAS13275-42-8
research compound
Referencesame scaffold
2-(4-Bromophenyl)benzimidazole
CAS2622-74-4
research compound
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for Ensulizole (CAS 27503-81-7) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
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
2-phenyl-3H-benzimidazole-5-sulfonic acid
InChIKey
UVCJGUGAGLDPAA-UHFFFAOYSA-N
SMILES
C1=CC=C(C=C1)C2=NC3=C(N2)C=C(C=C3)S(=O)(=O)O
Synonyms (40)
- PBSA
- Ensulizole (USP/INN)
- Ensulizole, United States Pharmacopeia (USP)
- ENSULIZOLE [MART.]
- Ensulizole
- Ensulizole (Standard)
- PARSOL HS
- ensulizol
- ensulizolum
- novantisol
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