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Metoprine

HCID 24466
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Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
7761-45-7
Standard SMILES
Cc1nc(N)nc(N)c1-c1ccc(Cl)c(Cl)c1
InChIKey
VQJHOPSWBGJHQS-UHFFFAOYSA-N
Molecular formula
C11H10Cl2N4
Average molar mass
269.13 g/mol
Monoisotopic mass
268.0282517

Overview

Metoprine is a diaminopyrimidine folate antagonist with potential antineoplastic activity. Metoprine inhibits dihydrofolate reductase, resulting in decreased cellular folate metabolism and cell growth; it also inhibits histamine-N-methyltransferase, resulting in decreased histamine catabolism. Lipid-soluble metoprine is capable of crossing the blood-brain barrier. (NCI04)

Names & identifiers

Preferred name
Metoprine
IUPAC
5-(3,4-dichlorophenyl)-6-methylpyrimidine-2,4-diamine
English name
Metoprine
Molecular formula
C11H10Cl2N4
Molecular weight
269.13

Names & synonyms

METOPRINE7761-45-7MethodichlorophenDDMP5-(3,4-DICHLOROPHENYL)-6-METHYLPYRIMIDINE-2,4-DIAMINENSC-19494BW-197UTCMDC-123931NSC73642,4-Diamino-5-(3,4-dichlorophenyl)-6-methylpyrimidineDTXSID00578312,4-Pyrimidinediamine, 5-(3,4-dichlorophenyl)-6-methyl-
Show more names
U-197SK 5265NSC 7364BW-50-197Metoprine, 10 mM in DMSO
NSC-73642L9RKX796QBW 197UNSC19494DTXCID1031620RefChem:1583892,4-diamino-5-(3',4'-dichlorophenyl)-6-methylpyrimidineMetoprine [USAN]

Database identifiers

CAS
7761-45-7
PubChem CID
24466
DTXSID
DTXSID0057831
ChEMBL
CHEMBL264373
UNII
2L9RKX796Q
Nikkaji
J9.654G

Properties

Computed structural propertiesFilling in

XLogP
2.8
Topological polar surface area
77.8 Ų
Hydrogen bond donors
2
Hydrogen bond acceptors
4
Rotatable bonds
1
Heavy atoms
17
Formal charge
0
Complexity
266

Experimental & physicochemical properties

DrugsPharmaceuticals -> Listed in ZINC15
LogP2.8

Physicochemical properties

Melting point
275 · 275-276℃
Boiling point
418.42 °C · 418.42°C (rough estimate)
Density
1.447 · 1.447
refractive index
1.63 · 1.6300 (estimate)
storage temp.
Hygroscopic, Refrigerator, under inert atmosphere
solubility
DMSO (Slightly, Heated), Methanol (Slightly, Heated, Sonicated)
form
Solid
pka
6.8 · 6.80±0.10(Predicted)
color
Off-White to Light Yellow
Stability
Hygroscopic
FDA UNII
2 L9RKX796Q · 2L9RKX796Q

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

Safety data

Signal word
Warning
Symbol(GHS)
GHS07
Hazard statements
H302-H319
Precautionary statements
P264-P270-P280-P301+P312+P330-P305+P351+P338-P337+P313-P501

Chemistry & industry

Pharmacology

MeSH Pharmacological Classification · 3 items

Substances that inhibit or prevent the proliferation of NEOPLASMS.

Compounds or agents that combine with an enzyme in such a manner as to prevent the normal substrate-enzyme combination and the catalytic reaction.

Inhibitors of the enzyme, dihydrofolate reductase (TETRAHYDROFOLATE DEHYDROGENASE), which converts dihydrofolate (FH2) to tetrahydrofolate (FH4). They are frequently used in cancer chemotherapy. (From AMA, Drug Evaluations Annual, 1994, p2033)

Applications

UsesA 2,4-Diaminopyrimidine derivative as antimalarial agent.

Related reactions

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Compound notes

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NCI Drug Dictionary
metoprine
Symbol(GHS)
7 · GHS07
Signal word
Warning
Hazard statements
302 · H302-H319
Precautionary statements
264 · P264-P270-P280-P301+P312+P330-P305+P351+P338-P337+P313-P501