C4H4N2O3
128.09 g/mol
Pharmaceutical IntermediateWarning
BARBITURIC ACID
CAS67-52-7EC200-658-0
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
Barbituric acid is an organic compound based on a pyrimidine heterocyclic skeleton. It is an odorless powder soluble in water and serves as the parent compound of barbiturate drugs, although barbituric acid itself is not pharmacologically active.
Pharmaceutical intermediate for barbiturate drugsLaboratory reagent
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
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pharmaceutical intermediate
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Methotrexate 5-methyl ester
CAS67022-39-3
pharmaceutical intermediate
ReferenceSame Category
6-Amino-4-chloro-3-pyridinecarbonitrile
CAS670253-38-0
pharmaceutical intermediate
Referencesame scaffold
6-Hydroxy-3-(propan-2-yl)pyrimidine-2,4(3H,5H)-dione
CAS69998-14-7
pharmaceutical intermediate
Referencesame scaffold
5-Butyl barbituric acid
CAS1953-33-9
pharmaceutical intermediate
Referencesame scaffold
5,5-Dibromobarbituric acid
CAS511-67-1
research compound
Referencesame scaffold
Allobarbital
CAS52-43-7
pharmaceutical raw material
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for BARBITURIC ACID (CAS 67-52-7) is 2933.52.
HS code (international, 6-digit)
2933.52
EU CN code (8-digit)
2933 52 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
1,3-diazinane-2,4,6-trione
InChIKey
HNYOPLTXPVRDBG-UHFFFAOYSA-N
SMILES
C1C(=O)NC(=O)NC1=O
Synonyms (39)
- Fluorouracil EP Impurity A
- Fluorouracil impurity A, European Pharmacopoeia (EP)
- 1,3-diazinane-2,4,6-trione
- 2,4,6-Pyrimidinetrione
- 2,4,6-Trihydroxypyrimidine
- 2,6-Pyrimidinetriol
- 2,6-Trihydroxypyrimidine
- 2,6-Trioxohexahydropyrimidine
- 2-hydroxypyrimidine-4,6-dione
- 6-Hydroxyuracil
- BARBITURIC ACID
- Barbiturate
- Barbituric acid (VAN)
- Barbituric acid (VAN) (8CI)
- Barbitursaeure
- Barbitursaure
- FLUOROURACIL IMPURITY A
- Fluorouracil impurity A CRS
- Hydrouracil, 6-hydroxy-
- Malonylharnstoff
- Malonylurea
- Pyrimidinetriol
- Pyrimidinetrione
- barbituric
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