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

Modify Date: 2025-08-25 19:25:23

4-amino-6-mercaptopyrazolo[3,4-d]pyrimidine Structure
4-amino-6-mercaptopyrazolo[3,4-d]pyrimidine structure
 Common Name 4-amino-6-mercaptopyrazolo[3,4-d]pyrimidine
CAS Number 23771-52-0 Molecular Weight 167.19200
Density 2.08 g/cm3 Boiling Point 348.2ºC at 760 mmHg
Molecular Formula C5H5N5S Melting Point >300 °C(lit.)
MSDS N/A Flash Point 164.4ºC

 Names

Name 4-amino-1,2-dihydropyrazolo[3,4-d]pyrimidine-6-thione
Synonym More Synonyms

 Chemical & Physical Properties

Density 2.08 g/cm3
Boiling Point 348.2ºC at 760 mmHg
Melting Point >300 °C(lit.)
Molecular Formula C5H5N5S
Molecular Weight 167.19200
Flash Point 164.4ºC
Exact Mass 167.02700
PSA 119.28000
LogP 0.80500
Vapour Pressure 5.1E-05mmHg at 25°C
Index of Refraction 2.07
InChIKey YJMNLDSYAAJOPX-UHFFFAOYSA-N
SMILES Nc1[nH]c(=S)nc2[nH]ncc12
Storage condition -20°C Freezer

 Safety Information

Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36
WGK Germany 3
HS Code 2933990090

 Synthetic Route

1H-Pyrazolo[3,4-d]pyrimidine-4,6(5H,7H)-dithione structure

1H-Pyrazolo[3,4...

CAS#:5334-32-7

~%

4-amino-6-mercaptopyrazolo[3,4-d]pyrimidine Structure

4-amino-6-merca...

CAS#:23771-52-0

Literature: Journal of the American Chemical Society, , vol. 78, p. 3143
Oxipurinol structure

Oxipurinol

CAS#:2465-59-0

~%

4-amino-6-mercaptopyrazolo[3,4-d]pyrimidine Structure

4-amino-6-merca...

CAS#:23771-52-0

Literature: Journal of the American Chemical Society, , vol. 78, p. 3143
5-sulfanylidene-2,4,8,9-tetrazabicyclo[4.3.0]nona-1,6-dien-3-one structure

5-sulfanylidene...

CAS#:5334-33-8

~%

4-amino-6-mercaptopyrazolo[3,4-d]pyrimidine Structure

4-amino-6-merca...

CAS#:23771-52-0

Literature: Journal of the American Chemical Society, , vol. 78, p. 3143
3-Amino-4-cyanopyrazole structure

3-Amino-4-cyano...

CAS#:16617-46-2

thiourea structure

thiourea

CAS#:17356-08-0

~%

4-amino-6-mercaptopyrazolo[3,4-d]pyrimidine Structure

4-amino-6-merca...

CAS#:23771-52-0

Literature: Journal of the American Chemical Society, , vol. 78, p. 784,787 Journal of the American Chemical Society, , vol. 79, p. 6407,6413

 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

MFCD00005690
4-Amino-6-mercapto-1H-pyrazolo[3,4-d]pyrimidine
4-Amino-6-mercaptopyrazolo[3,4-d]pyrimidine
EINECS 245-872-5
4-Aminopyrazolo[3,4-d]pyrimidine-6-thiol
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Chemsrc provides CAS#:23771-52-0 MSDS, density, melting point, boiling point, structure, etc. Its name is 4-amino-6-mercaptopyrazolo[3,4-d]pyrimidine>> amp version: 4-amino-6-mercaptopyrazolo[3,4-d]pyrimidine

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