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ChemicalBook >> CAS DataBase List >> 1-METHYL-1,5-DIHYDRO-4H-PYRAZOLO[3,4-D]PYRIMIDIN-4-ONE

1-METHYL-1,5-DIHYDRO-4H-PYRAZOLO[3,4-D]PYRIMIDIN-4-ONE

1-METHYL-1,5-DIHYDRO-4H-PYRAZOLO[3,4-D]PYRIMIDIN-4-ONE price.
  • $15 - $1168.42
  • Product name: 1-METHYL-1,5-DIHYDRO-4H-PYRAZOLO[3,4-D]PYRIMIDIN-4-ONE
  • CAS: 5334-56-5
  • MF: C6H6N4O
  • MW: 150.14
  • EINECS:
  • MDL Number:MFCD01312343
  • Synonyms:NSC 635171;1-Methyl-1,5-dihydropyrazolo[3,4-d]pyrimidin-4-one;4-Hydroxy-1-methylpyrazolo[3,4-d]pyrimidine;9-Methylallopurinol;NSC 1439;1-Methyl-1H-pyrazolo[3,4-d]pyriMidin-4-ol;4H-Pyrazolo[3,4-d]pyriMidin-4-one, 1,5-dihydro-1-Methyl-;1,5-Dihydro-1-methyl-4H-pyrazolo[3,4-d]pyrimidin-4-one
Price28 Properties Safety Information Description
28 prices
Selected condition：
Brand
  • ACHEMBLOCK
  • AK Scientific
  • Alichem
  • American Custom Chemicals Corporation
  • Apolloscientific
  • Atlantic Research Chemicals
  • Chemenu
  • Crysdot
  • Matrix Scientific
  • SynQuest Laboratories
  • TRC
Package
  • 100mg
  • 250mg
  • 500mg
  • 1G
  • 2.5G
  • 5G
  • 25G
  • ManufacturerACHEMBLOCK
  • Product numberT102011
  • Product description1-methyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one 97%
  • Packaging5G
  • Price$125
  • Updated2026-05-25
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberT102011
  • Product description1-methyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one 97%
  • Packaging5G
  • Price$125
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberT102011
  • Product description1-methyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one 97%
  • Packaging25G
  • Price$500
  • Updated2026-05-25
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberT102011
  • Product description1-methyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one 97%
  • Packaging25G
  • Price$500
  • Updated2026-05-27
  • Buy
  • ManufacturerAK Scientific
  • Product numberY9363
  • Product description1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4(7H)-one
  • Packaging5g
  • Price$384
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberY9363
  • Product description1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4(7H)-one
  • Packaging250mg
  • Price$114
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number5334565
  • Product description1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-ol
  • Packaging25g
  • Price$492.48
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0018117
  • Product description1-METHYL-1,5-DIHYDRO-4H-PYRAZOLO[3,4-D]PYRIMIDIN-4-ONE 95.00%
  • Packaging1G
  • Price$721.57
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0018117
  • Product description1-METHYL-1,5-DIHYDRO-4H-PYRAZOLO[3,4-D]PYRIMIDIN-4-ONE 95.00%
  • Packaging2.5G
  • Price$983.88
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0018117
  • Product description1-METHYL-1,5-DIHYDRO-4H-PYRAZOLO[3,4-D]PYRIMIDIN-4-ONE 95.00%
  • Packaging5G
  • Price$1168.42
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR2482
  • Product description1,5-Dihydro-1-methyl-4H-pyrazolo[3,4-d]pyrimidin-4-one
  • Packaging1g
  • Price$124
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR2482
  • Product description1,5-Dihydro-1-methyl-4H-pyrazolo[3,4-d]pyrimidin-4-one
  • Packaging5g
  • Price$276
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR2482
  • Product description1,5-Dihydro-1-methyl-4H-pyrazolo[3,4-d]pyrimidin-4-one
  • Packaging100mg
  • Price$15
  • Updated2021-12-16
  • Buy
  • ManufacturerAtlantic Research Chemicals
  • Product numberXS100131
  • Product description1-Methyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one 95
  • Packaging1g
  • Price$85.72
  • Updated2026-05-23
  • Buy
  • ManufacturerChemenu
  • Product numberCM167435
  • Product description1-Methyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one 95+%
  • Packaging1g
  • Price$107
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM167435
  • Product description1-Methyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one 95%+
  • Packaging1g
  • Price$56
  • Updated2026-05-20
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
ACHEMBLOCK T102011 1-methyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one 97% 5G $125 2026-05-25 Buy
ACHEMBLOCK T102011 1-methyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one 97% 5G $125 2026-05-27 Buy
ACHEMBLOCK T102011 1-methyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one 97% 25G $500 2026-05-25 Buy
ACHEMBLOCK T102011 1-methyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one 97% 25G $500 2026-05-27 Buy
AK Scientific Y9363 1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4(7H)-one 5g $384 2021-12-16 Buy
AK Scientific Y9363 1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4(7H)-one 250mg $114 2021-12-16 Buy
Alichem 5334565 1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-ol 25g $492.48 2021-12-16 Buy
American Custom Chemicals Corporation CHM0018117 1-METHYL-1,5-DIHYDRO-4H-PYRAZOLO[3,4-D]PYRIMIDIN-4-ONE 95.00% 1G $721.57 2021-12-16 Buy
American Custom Chemicals Corporation CHM0018117 1-METHYL-1,5-DIHYDRO-4H-PYRAZOLO[3,4-D]PYRIMIDIN-4-ONE 95.00% 2.5G $983.88 2021-12-16 Buy
American Custom Chemicals Corporation CHM0018117 1-METHYL-1,5-DIHYDRO-4H-PYRAZOLO[3,4-D]PYRIMIDIN-4-ONE 95.00% 5G $1168.42 2021-12-16 Buy
Apolloscientific OR2482 1,5-Dihydro-1-methyl-4H-pyrazolo[3,4-d]pyrimidin-4-one 1g $124 2021-12-16 Buy
Apolloscientific OR2482 1,5-Dihydro-1-methyl-4H-pyrazolo[3,4-d]pyrimidin-4-one 5g $276 2021-12-16 Buy
Apolloscientific OR2482 1,5-Dihydro-1-methyl-4H-pyrazolo[3,4-d]pyrimidin-4-one 100mg $15 2021-12-16 Buy
Atlantic Research Chemicals XS100131 1-Methyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one 95 1g $85.72 2026-05-23 Buy
Chemenu CM167435 1-Methyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one 95+% 1g $107 2021-12-16 Buy
Chemenu CM167435 1-Methyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one 95%+ 1g $56 2026-05-20 Buy
Next Last

Properties

Melting point :>250℃
Boiling point :426.5±18.0 °C(Predicted)
Density :1.60
storage temp. :2-8°C
form :Solid
pka :9.22±0.10(Predicted)
color :White to off-white
InChI :InChI=1S/C6H6N4O/c1-10-5-4(2-9-10)6(11)8-3-7-5/h2-3H,1H3,(H,7,8,11)
InChIKey :CDJQIJFWTUEUFF-UHFFFAOYSA-N
SMILES :C1NC(=O)C2C=NN(C)C=2N=1

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.

Description

9-Methylallopurinonl is a useful organic reagent. It was a useful reagent in preparation and structure activity relationships of methoxyquinazoline derivatives as inhibitors of PDGFR phosphorylation.

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Suppliers and manufacturers

career henan chemical co
1-METHYL-1,5-DIHYDRO-4H-PYRAZOLO[3,4-D]PYRIMIDIN-4-ONE
$9.80 /1.79999995231628KG
1-METHYL-1,5-DIHYDRO-4H-PYRAZOLO[3,4-D]PYRIMIDIN-4-ONE CAS:5334-56-5
Alchem Pharmtech,Inc.
CONIER CHEM AND PHARMA LIMITED
Shaanxi Dideu Medichem Co. Ltd
Labnetwork lnc.
Zjartspharm Co., Ltd
Amadis Chemical Company Limited
QUALITY CONTROL SOLUTIONS LTD. Record Tech (Shanghai) Co., LTD J & K SCIENTIFIC LTD.