C5H6N2O3
142.11 g/mol
Research ReagentWarning
5-Methoxyuracil
CAS6623-81-0EC229-580-5
Category
Research Reagent
Compound Class
Heterocycle
Primary Use
Research Compound
5-Methoxyuracil is a chemical compound often used as a research reagent. It features a methoxy group attached to the uracil base, contributing to its properties as a laboratory substance.
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
Disodium 2,5-dihydro-5-thiooxo-1H-tetrazol-1-ylmethanesulfonate
CAS66242-82-8
research compound
ReferenceSame Category
2-methylquinolin-4-amine
CAS6628-04-2
research compound
ReferenceSame Category
5-Amino-2-methoxypyridine
CAS6628-77-9
research compound
ReferenceSame Category
6-amino-1,3-dimethyl-5-nitrosouracil
CAS6632-68-4
research compound
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for 5-Methoxyuracil (CAS 6623-81-0) 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-methoxy-1H-pyrimidine-2,4-dione
InChIKey
KELXHQACBIUYSE-UHFFFAOYSA-N
SMILES
COC1=CNC(=O)NC1=O
Synonyms (18)
- FLUOROURACIL IMPURITY D (EP IMPURITY)
- Fluorouracil EP Impurity D
- Fluorouracil EP Impurity D(Discontinued,See C4X-164914)
- 5-METHOXYPYRIMIDINE-2,4-DIONE
- 5-Methoxy-2,4-pyrimidinediol
- 5-Methoxy-2,4-pyrimidinedione
- 5-Methoxyuracil
- 5-methoxypyrimidine-2,4-diol
- FLUOROURACIL IMPURITY D
- URACIL, 5-METHOXY-
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