1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine

Modify Date: 2025-08-25 16:21:51

1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine Structure
1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine structure
 Common Name 1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine
CAS Number 5334-99-6 Molecular Weight 149.153
Density 1.6±0.1 g/cm3 Boiling Point 354.4±22.0 °C at 760 mmHg
Molecular Formula C6H7N5 Melting Point 268-270ºC
MSDS N/A Flash Point 168.2±22.3 °C

 Names

Name 1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-ylamine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.6±0.1 g/cm3
Boiling Point 354.4±22.0 °C at 760 mmHg
Melting Point 268-270ºC
Molecular Formula C6H7N5
Molecular Weight 149.153
Flash Point 168.2±22.3 °C
Exact Mass 149.070145
PSA 69.62000
LogP -0.49
Vapour Pressure 0.0±0.8 mmHg at 25°C
Index of Refraction 1.807

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UR0718000
CHEMICAL NAME :
1H-Pyrazolo(3,4-d)pyrimidine, 4-amino-1-methyl-
CAS REGISTRY NUMBER :
5334-99-6
BEILSTEIN REFERENCE NO. :
0149930
LAST UPDATED :
199612
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C6-H7-N5
MOLECULAR WEIGHT :
149.18
WISWESSER LINE NOTATION :
T56 BNN GN INJ B1 FZ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
45 mg/kg
SEX/DURATION :
female 7-9 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - eye/ear Reproductive - Specific Developmental Abnormalities - body wall Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
COREAF Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. (Paris, France) V.1-261, 1835-1965. For publisher information, see CRASEV. Volume(issue)/page/year: 247,152,1958
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
45 mg/kg
SEX/DURATION :
female 7-9 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetal death
REFERENCE :
COREAF Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. (Paris, France) V.1-261, 1835-1965. For publisher information, see CRASEV. Volume(issue)/page/year: 247,152,1958

 Safety Information

HS Code 2933990090

 Synthetic Route

4-Chloro-1-methyl-1H-pyrazolo[3,4-d]pyrimidine structure

4-Chloro-1-meth...

CAS#:23000-43-3

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1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine Structure

1-Methyl-1H-pyr...

CAS#:5334-99-6

Literature: Journal of Organic Chemistry, , vol. 21, p. 1240,1242
5-amino-4-cyano-1-methyl-1,2-pyrazole structure

5-amino-4-cyano...

CAS#:5334-41-8

(Z)-Methanimidic acid structure

(Z)-Methanimidi...

CAS#:77287-34-4

~%

1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine Structure

1-Methyl-1H-pyr...

CAS#:5334-99-6

Literature: Journal of Organic Chemistry, , vol. 21, p. 1240,1242

 Customs

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%

 Synonyms

1-methylpyrazolo[3,4-d]pyrimidin-4-amine
1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine
1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 1-methyl-
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Chemsrc provides CAS#:5334-99-6 MSDS, density, melting point, boiling point, structure, etc. Its name is 1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine>> amp version: 1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine

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