L-Aspartic acid,N-[4-[[(2,4-diamino-5-methyl-6-quinazolinyl)methyl]amino]benzoyl]-

Modify Date: 2025-08-26 12:48:15

L-Aspartic acid,N-[4-[[(2,4-diamino-5-methyl-6-quinazolinyl)methyl]amino]benzoyl]- Structure
L-Aspartic acid,N-[4-[[(2,4-diamino-5-methyl-6-quinazolinyl)methyl]amino]benzoyl]- structure
 Common Name L-Aspartic acid,N-[4-[[(2,4-diamino-5-methyl-6-quinazolinyl)methyl]amino]benzoyl]-
CAS Number 18921-70-5 Molecular Weight 438.43700
Density N/A Boiling Point N/A
Molecular Formula C21H22N6O5 Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name 2-[[4-[(2,4-diamino-5-methylquinazolin-6-yl)methylamino]benzoyl]amino]butanedioic acid
Synonym More Synonyms

 Chemical & Physical Properties

Molecular Formula C21H22N6O5
Molecular Weight 438.43700
Exact Mass 438.16500
PSA 193.55000
LogP 2.99870

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
CI9320000
CHEMICAL NAME :
Aspartic acid, N-(p-(((2,4-diamino-5-methyl-6-quinazolinyl)methyl)am ino)benzoyl)-, L-
CAS REGISTRY NUMBER :
18921-70-5
LAST UPDATED :
199612
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C21-H22-N6-O5
MOLECULAR WEIGHT :
438.49

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
50110 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
158 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :
Mutation test systems - not otherwise specified
TEST SYSTEM :
Human Lymphocyte
DOSE/DURATION :
17 nmol/L
REFERENCE :
BCPCA6 Biochemical Pharmacology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1958- Volume(issue)/page/year: 25,1947,1976

 Synonyms

Methasquin
N-{4-[(2,4-diamino-5-methyl-quinazolin-6-ylmethyl)-amino]-benzoyl}-aspartic acid
Aspartic acid,N-(p-(((2,4-diamino-5-methyl-6-quinazolinyl)methyl)amino)benzoyl)-,L
N-(p-(((2,4-Diamino-5-methyl-6-quinazolinyl)methyl)amino)benzoyl)-L-aspartic acid
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Chemsrc provides CAS#:18921-70-5 MSDS, density, melting point, boiling point, structure, etc. Its name is L-Aspartic acid,N-[4-[[(2,4-diamino-5-methyl-6-quinazolinyl)methyl]amino]benzoyl]->> amp version: L-Aspartic acid,N-[4-[[(2,4-diamino-5-methyl-6-quinazolinyl)methyl]amino]benzoyl]-

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