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ChemicalBook >> CAS DataBase List >> 4-Hydroxy-6-mercaptopyrazolo[3,4-d]pyrimidine

4-Hydroxy-6-mercaptopyrazolo[3,4-d]pyrimidine

4-Hydroxy-6-mercaptopyrazolo[3,4-d]pyrimidine price.
  • $61 - $2140
  • Product name: 4-Hydroxy-6-mercaptopyrazolo[3,4-d]pyrimidine
  • CAS: 24521-76-4
  • MF: C5H4N4OS
  • MW: 168.18
  • EINECS:246-296-7
  • MDL Number:MFCD00022782
  • Synonyms:4-HYDROXY-6-MERCAPTOPYRAZOLE(3,4-D)PYRIMIDINE;6-MERCAPTOPYRAZOLO[3,4-D]PYRIMIDIN-4-OL;6-MERCAPTO-1H-PYRAZOLO[3,4-D]PYRIMIDIN-4-OL;1,5,6,7-tetrahydro-6-thioxo-4H-pyrazolo[3,4-d]pyrimidin-4-one ;4-Hydroxy-6-mercaptopyrazolo3,4-düpyrimidine, 98%;4-Hydroxy-6-mercapto-1H-pyrazolo[3,4-d]pyrimidine, 98%;4-Hydroxy-6-mercaptopyrazolo[3,4-d]pyrimidine,98%;4-Hydroxy-6-mercptopyrazolo[3,4-d]pyrimidine
Price36 Properties Safety Information Description
36 prices
Selected condition：
Brand
  • aablocks
  • Absolute Chiral
  • ACHEMBLOCK
  • AHH
  • AK Scientific
  • Alichem
  • American Custom Chemicals Corporation
  • Biosynth
  • Chemenu
  • Crysdot
  • Matrix Scientific
  • Medical Isotopes, Inc.
  • TRC
  • Usbiological
Package
  • 100mg
  • 250mg
  • 500mg
  • 1000mg
  • 1g
  • 2g
  • 2.5G
  • 5.00g
  • 5g
  • 10g
  • 10.00g
  • 25G
  • Manufactureraablocks
  • Product numberAA002OBX
  • Product description6-Mercapto-1H-Pyrazolo[3,4-D]Pyrimidin-4-Ol 95%
  • Packaging5g
  • Price$396
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002OBX
  • Product description6-Mercapto-1H-Pyrazolo[3,4-D]Pyrimidin-4-Ol 95%
  • Packaging10g
  • Price$713
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002OBX
  • Product description6-Mercapto-1H-Pyrazolo[3,4-D]Pyrimidin-4-Ol 95%
  • Packaging1g
  • Price$135
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002OBX
  • Product description6-Mercapto-1H-Pyrazolo[3,4-D]Pyrimidin-4-Ol 95%
  • Packaging500mg
  • Price$105
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002OBX
  • Product description6-Mercapto-1H-Pyrazolo[3,4-D]Pyrimidin-4-Ol 95%
  • Packaging250mg
  • Price$68
  • Updated2026-05-28
  • Buy
  • ManufacturerAbsolute Chiral
  • Product numberO1360-00-N
  • Product description4H-Pyrazolo[3,4-d]pyrimidin-4-one, 1,5,6,7-tetrahydro-6-thioxo- 95%
  • Packaging500mg
  • Price$68
  • Updated2026-05-23
  • Buy
  • ManufacturerAbsolute Chiral
  • Product numberO1360-00-N
  • Product description4H-Pyrazolo[3,4-d]pyrimidin-4-one, 1,5,6,7-tetrahydro-6-thioxo- 95%
  • Packaging1g
  • Price$98
  • Updated2026-05-23
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberW167665
  • Product description6-Mercapto-1H-pyrazolo[3,4-d]pyrimidin-4-ol 96%
  • Packaging25G
  • Price$2140
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberW167665
  • Product description6-Mercapto-1H-pyrazolo[3,4-d]pyrimidin-4-ol 96%
  • Packaging1G
  • Price$160
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberW167665
  • Product description6-Mercapto-1H-pyrazolo[3,4-d]pyrimidin-4-ol 96%
  • Packaging5G
  • Price$535
  • Updated2026-05-27
  • Buy
  • ManufacturerAHH
  • Product numberMT-15158
  • Product description4-Hydroxy-6-mercaptopyrazole(3,4-d)pyrimidine 97%
  • Packaging5g
  • Price$398
  • Updated2026-05-26
  • Buy
  • ManufacturerAK Scientific
  • Product number1639EM
  • Product description6-Mercapto-1H-pyrazolo[3,4-D]pyrimidin-4-OL
  • Packaging500mg
  • Price$253
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number24521764
  • Product description6-Mercapto-1H-pyrazolo[3,4-d]pyrimidin-4-ol
  • Packaging1g
  • Price$381.7
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number24521764
  • Product description6-Mercapto-1H-pyrazolo[3,4-d]pyrimidin-4-ol
  • Packaging5g
  • Price$450.66
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number24521764
  • Product description6-Mercapto-1H-pyrazolo[3,4-d]pyrimidin-4-ol
  • Packaging10g
  • Price$639.45
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCOR0003638
  • Product description6-MERCAPTO-1H-PYRAZOLO[3,4-D]PYRIMIDIN-4-OL 95.00%
  • Packaging1G
  • Price$640
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA002OBX 6-Mercapto-1H-Pyrazolo[3,4-D]Pyrimidin-4-Ol 95% 5g $396 2026-05-28 Buy
aablocks AA002OBX 6-Mercapto-1H-Pyrazolo[3,4-D]Pyrimidin-4-Ol 95% 10g $713 2026-05-28 Buy
aablocks AA002OBX 6-Mercapto-1H-Pyrazolo[3,4-D]Pyrimidin-4-Ol 95% 1g $135 2026-05-28 Buy
aablocks AA002OBX 6-Mercapto-1H-Pyrazolo[3,4-D]Pyrimidin-4-Ol 95% 500mg $105 2026-05-28 Buy
aablocks AA002OBX 6-Mercapto-1H-Pyrazolo[3,4-D]Pyrimidin-4-Ol 95% 250mg $68 2026-05-28 Buy
Absolute Chiral O1360-00-N 4H-Pyrazolo[3,4-d]pyrimidin-4-one, 1,5,6,7-tetrahydro-6-thioxo- 95% 500mg $68 2026-05-23 Buy
Absolute Chiral O1360-00-N 4H-Pyrazolo[3,4-d]pyrimidin-4-one, 1,5,6,7-tetrahydro-6-thioxo- 95% 1g $98 2026-05-23 Buy
ACHEMBLOCK W167665 6-Mercapto-1H-pyrazolo[3,4-d]pyrimidin-4-ol 96% 25G $2140 2026-05-27 Buy
ACHEMBLOCK W167665 6-Mercapto-1H-pyrazolo[3,4-d]pyrimidin-4-ol 96% 1G $160 2026-05-27 Buy
ACHEMBLOCK W167665 6-Mercapto-1H-pyrazolo[3,4-d]pyrimidin-4-ol 96% 5G $535 2026-05-27 Buy
AHH MT-15158 4-Hydroxy-6-mercaptopyrazole(3,4-d)pyrimidine 97% 5g $398 2026-05-26 Buy
AK Scientific 1639EM 6-Mercapto-1H-pyrazolo[3,4-D]pyrimidin-4-OL 500mg $253 2021-12-16 Buy
Alichem 24521764 6-Mercapto-1H-pyrazolo[3,4-d]pyrimidin-4-ol 1g $381.7 2021-12-16 Buy
Alichem 24521764 6-Mercapto-1H-pyrazolo[3,4-d]pyrimidin-4-ol 5g $450.66 2021-12-16 Buy
Alichem 24521764 6-Mercapto-1H-pyrazolo[3,4-d]pyrimidin-4-ol 10g $639.45 2021-12-16 Buy
American Custom Chemicals Corporation COR0003638 6-MERCAPTO-1H-PYRAZOLO[3,4-D]PYRIMIDIN-4-OL 95.00% 1G $640 2021-12-16 Buy
Next Last

Properties

Melting point :>310°C
Density :1.78±0.1 g/cm3(Predicted)
storage temp. :-20°C Freezer
solubility :Aqueous Base (Slightly), DMSO (Slightly)
pka :8.27±0.20(Predicted)
form :Crystalline Powder
color :Light yellow
BRN :140413
InChI :InChI=1S/C5H4N4OS/c10-4-2-1-6-9-3(2)7-5(11)8-4/h1H,(H3,6,7,8,9,10,11)
InChIKey :SXRSXYWROQWSGJ-UHFFFAOYSA-N
SMILES :C1(=S)NC(=O)C2C=NNC=2N1
CAS DataBase Reference :24521-76-4(CAS DataBase Reference)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
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:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
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.
P330 Rinse mouth.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.
P362 Take off contaminated clothing and wash before reuse.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
P501 Dispose of contents/container to..…

Description

4-Hydroxy-6-mercaptopyrazolo[3,4-d]pyrimidine (cas# 24521-76-4) is a compound useful in organic synthesis.

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Suppliers and manufacturers

Shanghai He-H Chemical Technology Co., Ltd J & K SCIENTIFIC LTD. 3B Pharmachem (Wuhan) International Co.,Ltd. Alfa Aesar Energy Chemical Chemsky（shanghai）International Co.,Ltd. Thermo Fisher Scientific Beijing innoChem Science & Technology Co.,Ltd. 9ding chemical ( Shanghai) Limited HBCChem, Inc.