C14H18N2O5
294.3 g/mol
Pharmaceutical IntermediateWarning
6,7-BIS(2-METHOXYETHOXY)QUINAZOLIN-4(3H)-ONE
CAS179688-29-0EC605-867-4
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
This compound is a quinazoline derivative used as a pharmaceutical intermediate in the manufacturing process of erlotinib.
Pharmaceutical intermediate for erlotinib
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
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Referencesame scaffold
6,7-Dimethoxy-3,4-dihydroquinazoline-4-one
CAS13794-72-4
pharmaceutical intermediate
Referencesame scaffold
3,4-Dihydro-7-methoxy-4-oxoquinazolin-6-yl acetate
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Referencesame scaffold
8-Bromo-6-methyl-4(1H)-quinazolinone
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Referencesame scaffold
7-Fluoro-6-nitro-4-hydroxyquinazoline
CAS162012-69-3
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Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for 6,7-BIS(2-METHOXYETHOXY)QUINAZOLIN-4(3H)-ONE (CAS 179688-29-0) 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
6,7-bis(2-methoxyethoxy)-3H-quinazolin-4-one
InChIKey
PMQWTUWLIGJTQD-UHFFFAOYSA-N
SMILES
COCCOC1=C(C=C2C(=C1)C(=O)NC=N2)OCCOC
Synonyms (20)
- CP-380736, >=98% (HPLC)
- Erlotinib HCL Intermediate 1
- Erlotinib Lactam Impurity
Sourcing 6,7-BIS(2-METHOXYETHOXY)QUINAZOLIN-4(3H)-ONE?
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