C4H3IN2O2
237.98 g/mol
Research ReagentWarning
5-Iodouracil
CAS696-07-1EC211-788-2
Category
Research Reagent
Compound Class
Heterocycle
Primary Use
Research Compound
5-Iodouracil is an iodinated derivative of uracil, a pyrimidine base found in RNA. It is primarily used as a research reagent or synthetic intermediate in organic and medicinal chemistry.
laboratory reagentsynthetic intermediate
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
Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 5-Iodouracil (CAS 696-07-1) is 2933.59.
HS code (international, 6-digit)
2933.59
EU CN code (8-digit)
2933 59 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
5-iodo-1H-pyrimidine-2,4-dione
InChIKey
KSNXJLQDQOIRIP-UHFFFAOYSA-N
SMILES
C1=C(C(=O)NC(=O)N1)I
Synonyms (17)
- IUR
- 5-Iodouracil
- 5-iodo-2,4-pyrimidinediol
- 5-iodopyrimidine-2,4-diol
- Uracil, 5-iodo-
- Uracil, 5-iodo- (VAN)
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