42389-40-2

42389-40-2 structure

Name: 2-(2-Benzimidazoleamino)-4-hydroxy-6-methylpyrimidine
Chemical Name: 2-(1H-benzimidazol-2-ylamino)-6-methyl-1H-pyrimidin-4-one
CAS Number: 42389-40-2
Molecular Formula: C₁₂H₁₁N₅O
Molecular Weight: 241.24900
Create Date: 2018-10-12 18:10:39
Modify Date: 2025-09-18 07:46:50

Name	2-(1H-benzimidazol-2-ylamino)-6-methyl-1H-pyrimidin-4-one
Synonyms	2-<(2-Benzimidazolyl)amino>-6-methyl-4-pyrimidinol 2-(1H-Benzimidazol-2-ylamino)-6-methyl-4-pyrimidinol 2-(2-Benzimidazoleamino)-4-hydroxy-6-methylpyrimidine 2-(1H-benzoimidazol-2-ylamino)-6-methyl-3H-pyrimidin-4-one 2-(benzimidazol-2-ylamino)-6-methylpyrimidin-4-ol 4-Pyrimidinol,2-1H-benzimidazol-2-ylamino)-6-methyl 4(1H)-Pyrimidinone,2-(1H-benzimidazol-2-ylamino)-6-methyl

Density	1.5g/cm3
Boiling Point	521.5ºC at 760 mmHg
Molecular Formula	C₁₂H₁₁N₅O
Molecular Weight	241.24900
Flash Point	269.2ºC
Exact Mass	241.09600
PSA	86.72000
LogP	2.18350
Index of Refraction	1.763

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UW6019000

CHEMICAL NAME :: 4-Pyrimidinol, 2-1H-benzimidazol-2-ylamino)-6-methyl-

CAS REGISTRY NUMBER :: 42389-40-2

LAST UPDATED :: 199712

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C12-H11-N5-O

MOLECULAR WEIGHT :: 241.28

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 250 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PJPPAA Polish Journal of Pharmacology and Pharmacy. (ARS Polona, POB 1001, 00-068 Warsaw 1, Poland) V.25- 1973- Volume(issue)/page/year: 41,89,1989

HS Code	2933990090

5418-95-1

105-45-3

~80%

42389-40-2

Literature: Aquino, Christopher J.; Ramanjulu, Joshi M.; Heyer, Dennis; Daniels, Alejandro J.; Palazzo, Fabio; Dezube, Milana Bioorganic and Medicinal Chemistry, 2004 , vol. 12, # 10 p. 2691 - 2708

5418-95-1

141-97-9

~70%

42389-40-2

Literature: Singh, S. P.; Prakash, Indra; Tomer, R. K.; Prakash, O. M.; Sawhney, S. N. Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1983 , vol. 22, # 1 p. 37 - 42

Precursor 3
5418-95-1 105-45-3 141-97-9
DownStream 0

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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