Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1-METHYL-1,5-DIHYDRO-4H-PYRAZOLO[3,4-D]PYRIMIDIN-4-ONE
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1-Methyl-1,5-dihydropyrazolo[3,4-d]pyrimidin-4-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

5334-56-5

5334-56-5 structure

5334-56-5 structure

Name: 1-METHYL-1,5-DIHYDRO-4H-PYRAZOLO[3,4-D]PYRIMIDIN-4-ONE
Chemical Name: 1-methyl-2H-pyrazolo[3,4-d]pyrimidin-4-one
CAS Number: 5334-56-5
Molecular Formula: C₆H₆N₄O
Molecular Weight: 150.138
Create Date: 2018-12-10 12:47:00
Modify Date: 2025-09-10 18:52:45

Name	1-methyl-2H-pyrazolo[3,4-d]pyrimidin-4-one
Synonyms	1-methyl-1,2-dihydro-4h-pyrazolo[3,4-d]pyrimidin-4-one 1-methyl-5-hydropyrazolo[5,4-d]pyrimidin-4-one 1,5-dihydro-1-methyl-4H-pyrazolo<3,4-d>pyrimidin-4-one 1-methylpyrazolo[3,4-d]pyrimidin-4(5H)-one 1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4(7H)-one 4,5-dihydro-1-methyl-1H-pyrazolo<3,4-d>pyrimidin-4-one 1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-ol 1-Methyl-4-hydroxypyrazolo<3,4-d>pyrimidine 9-methylallopurinol 4H-Pyrazolo[3,4-d]pyrimidin-4-one, 1,5-dihydro-1-methyl- 1-methyl-1H-pyrazolo<3,4-d>pyrimidin-4-(5H)-one 1-METHYL-1,5-DIHYDRO-4H-PYRAZOLO[3,4-D]PYRIMIDIN-4-ONE

Density	1.6±0.1 g/cm3
Boiling Point	426.5±18.0 °C at 760 mmHg
Melting Point	>250ºC
Molecular Formula	C₆H₆N₄O
Molecular Weight	150.138
Flash Point	211.8±21.2 °C
Exact Mass	150.054153
PSA	63.57000
LogP	-0.63
Vapour Pressure	0.0±1.0 mmHg at 25°C
Index of Refraction	1.772

HS Code	2933990090

Precursor 8
18213-75-7 109-94-4 5334-99-6 5334-53-2
5399-93-9 71-43-2 123-06-8 108-90-7
DownStream 2
23000-43-3 5334-54-3

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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