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4-Mercaptopyrazolo[3,4d]pyrimidine

4-Mercaptopyrazolo[3,4d]pyrimidine structure

CAS No.: 5334-23-6

Chemical Name:: 4-Mercaptopyrazolo[3,4d]pyrimidine

Synonyms: DO 970;RS 570/T;NSC 1392;Tisopurine;Thiopurinol;Allopurinol, thio-;CBI-BB ZERO/004542;MPP (Pharmaceutical);Mercaptopyrazolepyrimidine;8-Aza-7-deaza-6-thiopurine

CBNumber:: CB7674895

Molecular Formula:: C5H4N4S

Molecular Weight:: 152.18

MDL Number:: MFCD00005687

MOL File:: 5334-23-6.mol

MSDS File:: SDS

Last updated:2026-09-12 18:55:05

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4-Mercaptopyrazolo[3,4d]pyrimidine Properties

Melting point	300 °C
Boiling point	439.9±37.0 °C(Predicted)
Density	1.463 (estimate)
refractive index	1.5605 (estimate)
form	liquid
pka	8.44±0.20(Predicted)
FDA UNII	79F9I2R16M
ATC code	M04AA02

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P280a-P304+P340-P305+P351+P338-P405-P501a

Hazard Codes

Risk Statements

36/37/38

Safety Statements

26-36/37/39-36

HS Code

29335995

NFPA 704

	1
0		0

4-Mercaptopyrazolo[3,4d]pyrimidine price More Price(16)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Matrix Scientific	139021	1H-Pyrazolo[3,4-d]pyrimidine-4-thiol	5334-23-6	1.00g	$319	2026-05-18	Buy
Matrix Scientific	139021	1H-Pyrazolo[3,4-d]pyrimidine-4-thiol	5334-23-6	2.50g	$694	2026-05-18	Buy
Matrix Scientific	139021	1H-Pyrazolo[3,4-d]pyrimidine-4-thiol	5334-23-6	5.00g	$1050	2026-05-18	Buy
aablocks	AA003LJ7	1H-Pyrazolo[3,4-d]pyrimidine-4-thiol 85%	5334-23-6	5mg	$123	2026-05-28	Buy
aablocks	AA003LJ7	1H-Pyrazolo[3,4-d]pyrimidine-4-thiol 85	5334-23-6	1g	$247	2026-05-28	Buy

Product number	Packaging	Price	Buy
139021	1.00g	$319	Buy
139021	2.50g	$694	Buy
139021	5.00g	$1050	Buy
AA003LJ7	5mg	$123	Buy
AA003LJ7	1g	$247	Buy

4-Mercaptopyrazolo[3,4d]pyrimidine Chemical Properties, Uses, Production

Chemical Properties

YELLOW AMORPHOUS POWDER

Definition

ChEBI: Tisopurine is a pyrazolopyrimidine.

4-Mercaptopyrazolo[3,4d]pyrimidine Preparation Products And Raw materials

Raw materials

Preparation Products

4-Mercaptopyrazolo[3,4d]pyrimidine Suppliers

Global Suppliers ( 62)

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
RYSS TECH LTD	400-188-0725 +86 21 34310725 13611771617		China	1999	57
Thermo Fisher Scientific	800-810-5118	cnchemical@thermofisher.com	China	17752	75
9ding chemical ( Shanghai) Limited	4009209199	sales@9dingchem.com	China	22497	55
Huainan Kedi Chemical Factory	0554-2106669	sales1@kedichem.com	China	4914	55
Chengdu HuaXia Chemical Reagent Co. Ltd	400-1166-196 13458535857	cdhxsj@163.com	China	13323	58
Chengdu RunZeBenTu Chemical Co., Ltd	028-88469284 18000562381;	rzbtsj@163.com	China	9939	56

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
Alfa Aesar	84
Energy Chemical	61
RYSS TECH LTD	57
Thermo Fisher Scientific	75
9ding chemical ( Shanghai) Limited	55
Huainan Kedi Chemical Factory	55
Chengdu HuaXia Chemical Reagent Co. Ltd	58
Chengdu RunZeBenTu Chemical Co., Ltd	56

View Latest Price from 4-Mercaptopyrazolo[3,4d]pyrimidine manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-08-08	Tisopurine 5334-23-6	$1520.00-2500.00			10g	TargetMol Chemicals Inc.
	2020-01-10	4-MERCAPTOPYRAZOLO[3,4D]PYRIMIDINE 5334-23-6	$1.00	1g	99.0%	100kg	Career Henan Chemical Co

Tisopurine
5334-23-6
$1520.00-2500.00
TargetMol Chemicals Inc.

4-MERCAPTOPYRAZOLO[3,4D]PYRIMIDINE
5334-23-6
$1.00
99.0%
Career Henan Chemical Co

5334-23-6 (4-Mercaptopyrazolo[3,4d]pyrimidine) Related Search:

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4-[(4-Methylphenyl)sulfanyl]-6-(methylsulfanyl)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine 4-Fluorophenyl 6-(methylsulfanyl)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl sulfide Methyl 2-([6-(methylsulfanyl)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl]sulfanyl)benzenecarboxylate

1of4

1,5-Dihydro-4H-pyrazolo[3,4-d]pyrimidine-4-thione Mercaptopyrazolepyrimidine Tisopurine 1H-PYRAZOLO[3,4-D]PYRIMIDINE-4-THIOL 4-MERCAPTOPYRAZOLE(3,4D)PYRIMIDINE 4-MERCAPTO-1H-PYRAZOLO[3,4-D]PYRIMIDINE 4-Mercapto-1H-pyrazolo[3,4-d]pyrimidine hemihydrate,99% 1H-Pyrazolo[3,4-d]pyrimidin-4-thiol 1H-Pyrazolo[3,4-d]pyrimidine-4(5H)-thione 4H-Pyrazolo[3,4-d]pyrimidine-4-thione, 1,5-dihydro- 5H-Pyrazolo[3,4-d]pyrimidine-4-thione Allopurinol, thio- DO 970 MPP (Pharmaceutical) Pyrazolo[3,4-d]Pyrimidine-4-thiol RS 570/T Thiopurinol CBI-BB ZERO/004542 8-Aza-7-deaza-6-thiopurine NSC 1392 1H-pyrazolo[3,4-d]pyrimidine-4-thiolate 4-Mercaptopyrazolo[3,4d]pyrimidine 5334-23-6 C5H4N4S12H2O C5H4N4S05H2O C5H3N4S