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ChemicalBook >> CAS DataBase List >> Allopurinol

Allopurinol

Allopurinol price.
  • $5 - $2285
  • Product name: Allopurinol
  • CAS: 315-30-0
  • MF: C5H4N4O
  • MW: 136.11
  • EINECS:206-250-9
  • MDL Number:MFCD00599413
  • Synonyms:4-HYDROXYPYRAZOLE[3,4-D]PYRIMIDINE;4-HYDROXYPYRAZOLEO[3,4-D]PYRIMIDINE;4-HYDROXYPYRAZOLO[3,4-D]PYRIMIDINE;4-HYDROXYPYRAZOLO(3,4-OL)-PYRIMIDINE;4’-hydroxypyrazolol(3,4-d)pyrimidine ;4-d)pyrimidin-4-one,1,5-dihydro-4h-pyrazolo( ;4-d]pyrimidin-4-one,1,5-dihydro-4h-pyrazolo[ ;4H-Pyrazolo(3,4-d)pyrimidin-4-one
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  • 10mM(in1mLDMSO)
  • Manufactureraablocks
  • Product numberAA0032P8
  • Product description1,5-Dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one ≥98%
  • Packaging10g
  • Price$10
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA0032P8
  • Product description1,5-Dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one 98%
  • Packaging5g
  • Price$10
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA0032P8
  • Product description1,5-Dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one ≥98%
  • Packaging25g
  • Price$14
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA0032P8
  • Product description1,5-Dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one ≥98%
  • Packaging100g
  • Price$31
  • Updated2026-05-28
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  • ManufacturerAbosyn
  • Product number10-1743
  • Product description1,7-Dihydro-pyrazolo[3,4-d]pyrimidin-4-one >95%(Puritymayvarybetweenbatches)
  • Packaging1g
  • Price$50
  • Updated2026-05-21
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  • ManufacturerAbosyn
  • Product number10-1743
  • Product description1,7-Dihydro-pyrazolo[3,4-d]pyrimidin-4-one >95%(Puritymayvarybetweenbatches)
  • Packaging5g
  • Price$125
  • Updated2026-05-21
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  • ManufacturerAbosyn
  • Product number10-1743
  • Product description1,7-Dihydro-pyrazolo[3,4-d]pyrimidin-4-one >95%(Puritymayvarybetweenbatches)
  • Packaging10g
  • Price$199
  • Updated2026-05-21
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  • ManufacturerAbosyn
  • Product number10-1743
  • Product description1,7-Dihydro-pyrazolo[3,4-d]pyrimidin-4-one >95%(Puritymayvarybetweenbatches)
  • Packaging25g
  • Price$263
  • Updated2026-05-21
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  • ManufacturerAbosyn
  • Product number10-1743
  • Product description1,7-Dihydro-pyrazolo[3,4-d]pyrimidin-4-one >95%(Puritymayvarybetweenbatches)
  • Packaging50g
  • Price$369
  • Updated2026-05-21
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  • ManufacturerAbosyn
  • Product number10-1743
  • Product description1,7-Dihydro-pyrazolo[3,4-d]pyrimidin-4-one >95%(Puritymayvarybetweenbatches)
  • Packaging100g
  • Price$517
  • Updated2026-05-21
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  • ManufacturerACHEMBLOCK
  • Product numberC-3431
  • Product description1H-Pyrazolo[3,4-d]pyrimidin-4-ol 97%
  • Packaging25G
  • Price$130
  • Updated2021-12-16
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  • ManufacturerActivate Scientific
  • Product numberAS34392
  • Product description1H-Pyrazolo[3,4-d]pyrimidin-4(5H)-one 98%
  • Packaging25g
  • Price$43
  • Updated2026-06-04
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  • ManufacturerActivate Scientific
  • Product numberAS34392
  • Product description1H-Pyrazolo[3,4-d]pyrimidin-4(5H)-one 98%
  • Packaging100g
  • Price$77
  • Updated2026-06-04
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  • ManufacturerActivate Scientific
  • Product numberAS34392
  • Product description1H-Pyrazolo[3,4-d]pyrimidin-4(5H)-one 98%
  • Packaging5g
  • Price$17
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberJ92117
  • Product description4-Hydroxypyrazolo[3,4-d]pyrimidine 95%
  • Packaging25g
  • Price$17
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberE713
  • Product description4-Hydroxypyrazolo[3,4-d]pyrimidine 98%(HPLC)
  • Packaging25g
  • Price$23
  • Updated2026-06-04
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA0032P8 1,5-Dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one ≥98% 10g $10 2026-05-28 Buy
aablocks AA0032P8 1,5-Dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one 98% 5g $10 2026-05-28 Buy
aablocks AA0032P8 1,5-Dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one ≥98% 25g $14 2026-05-28 Buy
aablocks AA0032P8 1,5-Dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one ≥98% 100g $31 2026-05-28 Buy
Abosyn 10-1743 1,7-Dihydro-pyrazolo[3,4-d]pyrimidin-4-one >95%(Puritymayvarybetweenbatches) 1g $50 2026-05-21 Buy
Abosyn 10-1743 1,7-Dihydro-pyrazolo[3,4-d]pyrimidin-4-one >95%(Puritymayvarybetweenbatches) 5g $125 2026-05-21 Buy
Abosyn 10-1743 1,7-Dihydro-pyrazolo[3,4-d]pyrimidin-4-one >95%(Puritymayvarybetweenbatches) 10g $199 2026-05-21 Buy
Abosyn 10-1743 1,7-Dihydro-pyrazolo[3,4-d]pyrimidin-4-one >95%(Puritymayvarybetweenbatches) 25g $263 2026-05-21 Buy
Abosyn 10-1743 1,7-Dihydro-pyrazolo[3,4-d]pyrimidin-4-one >95%(Puritymayvarybetweenbatches) 50g $369 2026-05-21 Buy
Abosyn 10-1743 1,7-Dihydro-pyrazolo[3,4-d]pyrimidin-4-one >95%(Puritymayvarybetweenbatches) 100g $517 2026-05-21 Buy
ACHEMBLOCK C-3431 1H-Pyrazolo[3,4-d]pyrimidin-4-ol 97% 25G $130 2021-12-16 Buy
Activate Scientific AS34392 1H-Pyrazolo[3,4-d]pyrimidin-4(5H)-one 98% 25g $43 2026-06-04 Buy
Activate Scientific AS34392 1H-Pyrazolo[3,4-d]pyrimidin-4(5H)-one 98% 100g $77 2026-06-04 Buy
Activate Scientific AS34392 1H-Pyrazolo[3,4-d]pyrimidin-4(5H)-one 98% 5g $17 2026-06-04 Buy
AK Scientific J92117 4-Hydroxypyrazolo[3,4-d]pyrimidine 95% 25g $17 2026-06-04 Buy
AK Scientific E713 4-Hydroxypyrazolo[3,4-d]pyrimidine 98%(HPLC) 25g $23 2026-06-04 Buy

Properties

Melting point :>300 °C (lit.)
Boiling point :250.36°C (rough estimate)
Density :1.4295 (rough estimate)
refractive index :1.8500 (estimate)
storage temp. :15-25°C
solubility :1 M NaOH: soluble50mg/mL, clear to very slightly hazy, colorless to faintly yellow
form :Powder
pka :10.2(at 25℃)
color :White or almost white
biological source :synthetic (organic)
Water Solubility :0.35 g/L (25 ºC)
Merck :14,279
Henry's Law Constant :4.9×108 mol/(m3Pa) at 25℃, HSDB (2015)
BCS Class :3,1
Major Application :pharmaceutical (small molecule)
InChI :1S/C5H4N4O/c10-5-3-1-8-9-4(3)6-2-7-5/h1-2H,(H2,6,7,8,9,10)
InChIKey :OFCNXPDARWKPPY-UHFFFAOYSA-N
SMILES :O=C1NC=Nc2[nH]ncc12
CAS DataBase Reference :315-30-0(CAS DataBase Reference)
NIST Chemistry Reference :Allopurinol(315-30-0)
EPA Substance Registry System :Allopurinol (315-30-0)

Safety Information

Symbol(GHS): Skull and Crossbones (GHS06)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
Precautionary statements:
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.

Description

Xanthine oxidase inhibitor; decreases uric acid production

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