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4-Aminopyrazolo[3,4-d]pyrimidine

4-Aminopyrazolo[3,4-d]pyrimidine structure

CAS No.: 20289-44-5

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

Synonyms: Einecs 243-691-6;TIMTEC-BB SBB004205;4-AMINOPYRAZOLO[3,4-;7-Deaza-8-aza-adenine;ADENINE ANTIMETABOLITE;Aminopyrazolodpyrimidine;4H-Pyrazolo[3,4-d]pyrimidin-4-amine;7H-pyrazolo[3,4-d]pyriMidin-4-aMine;4-Aminopyrazolo3,4-düpyrimidine, 98%;4-AMINO-1H-PYRAZOLO[3,4-D]PYRIMIDINE

CBNumber:: CB0112435

Molecular Formula:: C5H5N5

Molecular Weight:: 135.13

MDL Number:: MFCD00005688

MOL File:: 20289-44-5.mol

MSDS File:: SDS

Last updated:2026-09-12 18:43:53

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4-Aminopyrazolo[3,4-d]pyrimidine Properties

Melting point	>325 °C(lit.)
Boiling point	299.5±50.0 °C(Predicted)
Density	1.89±0.1 g/cm3(Predicted)
pka	7.32±0.20(Predicted)
CAS DataBase Reference	20289-44-5(CAS DataBase Reference)
EPA Substance Registry System	4H-Pyrazolo[3,4-d]pyrimidin-4-amine (20289-44-5)

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS06
Signal word	Danger
Hazard statements	H311-H331-H301-H315-H335-H319
Precautionary statements	P280-P302+P352-P312-P322-P361-P363-P405-P501-P264-P270-P301+P310-P321-P330-P405-P501-P264-P280-P302+P352-P321-P332+P313-P362-P261-P271-P304+P340-P311-P321-P403+P233-P405-P501-P264-P280-P305+P351+P338-P337+P313P
Hazard Codes	T
Risk Statements	25-36/37/38-23/24/25
Safety Statements	26-36/37/39-45-22
RIDADR	UN 2811 6.1/PG 3
WGK Germany	3
RTECS	UR0717000
TSCA	TSCA listed
HazardClass	6.1(b)
PackingGroup	III

4-Aminopyrazolo[3,4-d]pyrimidine price More Price(41)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Usbiological	232841	4-Aminopyrazolo[3,4-d]pyrimidine	20289-44-5	1g	$183	2026-06-03	Buy
Usbiological	232841	4-Aminopyrazolo[3,4-d]pyrimidine	20289-44-5	5g	$310	2026-06-03	Buy
Usbiological	232841	4-Aminopyrazolo[3,4-d]pyrimidine	20289-44-5	25g	$807	2026-06-03	Buy
Biosynth	FA15519	4-Amino-4H-pyrazolo[3,4-d]pyrimidine	20289-44-5	5g	$150	2026-06-04	Buy
Biosynth	FA15519	4-Amino-4H-pyrazolo[3,4-d]pyrimidine	20289-44-5	25g	$150	2026-06-04	Buy

Product number	Packaging	Price	Buy
232841	1g	$183	Buy
232841	5g	$310	Buy
232841	25g	$807	Buy
FA15519	5g	$150	Buy
FA15519	25g	$150	Buy

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

Raw materials

Preparation Products

4-Aminopyrazolo[3,4-d]pyrimidine Suppliers

Global Suppliers ( 102)

Supplier	Tel	Email	Country	ProdList	Advantage
3B Pharmachem (Wuhan) International Co.,Ltd.	18930552037	3bsc@sina.com	China	15813	69
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
Shandong Xiya Chemical Co., Ltd	13355009207 13355009207	3007715519@qq.com	China	18722	57
Shanghai Sunway Pharmaceutical Technology Co., Ltd	13761987713	hxzheng@sunwaypharm.cn	China	8663	57
Heterochem	027-88041443 13072715837	sales@hetero-chem.com	China	695	58
Thermo Fisher Scientific	800-810-5118	cnchemical@thermofisher.com	China	17752	75
SuZhou ShiYa Biopharmaceuticals, Inc.	86(512)5235 8471 17715136450	sales@shiyabiopharm.com	China	4167	58
9ding chemical ( Shanghai) Limited	4009209199	sales@9dingchem.com	China	22497	55
Hebei Summedchem Co.,Ltd	0319-5801333-8008 15630992918	sales@summedchem.com	China	1000	58
Amatek Scientific Co. Ltd.	0512-56316828 4008675858	sales@amateksci.com	China	9848	55

Supplier	Advantage
3B Pharmachem (Wuhan) International Co.,Ltd.	69
Shanghai Hanhong Scientific Co.,Ltd.	64
Shandong Xiya Chemical Co., Ltd	57
Shanghai Sunway Pharmaceutical Technology Co., Ltd	57
Heterochem	58
Thermo Fisher Scientific	75
SuZhou ShiYa Biopharmaceuticals, Inc.	58
9ding chemical ( Shanghai) Limited	55
Hebei Summedchem Co.,Ltd	58
Amatek Scientific Co. Ltd.	55

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

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2021-08-11	4-AMINOPYRAZOLO[3,4-D]PYRIMIDINE 20289-44-5	$10.00-15.00	1KG	99%+ HPLC		Zhuozhou Wenxi import and Export Co., Ltd
	2020-01-13	Ethyl (6-amino-3H-purin-3-yl)acetate 20289-44-5	$1.00	1g	95-99%	1ton	Career Henan Chemical Co

4-AMINOPYRAZOLO[3,4-D]PYRIMIDINE
20289-44-5
$10.00-15.00
99%+ HPLC
Zhuozhou Wenxi import and Export Co., Ltd

Ethyl (6-amino-3H-purin-3-yl)acetate
20289-44-5
$1.00
95-99%
Career Henan Chemical Co

4-Aminopyrazolo[3,4-d]pyrimidine Spectrum

4-AMINOPYRAZOLO[3,4-D]PYRIMIDINE(20289-44-5)MS 4-AMINOPYRAZOLO[3,4-D]PYRIMIDINE(20289-44-5)¹HNMR 4-AMINOPYRAZOLO[3,4-D]PYRIMIDINE(20289-44-5)¹³CNMR 4-AMINOPYRAZOLO[3,4-D]PYRIMIDINE(20289-44-5)IR1 4-AMINOPYRAZOLO[3,4-D]PYRIMIDINE(20289-44-5)IR2

20289-44-5 (4-Aminopyrazolo[3,4-d]pyrimidine) Related Search:

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1H-PYRAZOLO[3,4-D]PYRIMIDIN-4-YLAMINE ADENINE ANTIMETABOLITE 4-AMINO-1H-PYRAZOLO[3,4-D]PYRIMIDINE TIMTEC-BB SBB004205 Aminopyrazolodpyrimidine 4H-Pyrazolo[3,4-d]pyrimidin-4-amine (9CI) 4H-Pyrazolo[3,4-d]pyrimidin-4-amine 5-chloro-2,6-dimethylcyclohex-4-ene-1,3-dione 4-Aminopyrazolo3,4-düpyrimidine, 98% Einecs 243-691-6 4-AMINOPYRAZOLO[3,4- 7H-pyrazolo[3,4-d]pyriMidin-4-aMine 7-Deaza-8-aza-adenine Ethyl (6-amino-3H-purin-3-yl)acetate 4-Amino-4H-pyrazolo[3,4-d]pyrimidine 4-AMINOPYRAZOLO[3,4-D]PYRIMIDINE ISO 9001：2015 REACH 20289-44-5 Pyrimidines Heterocyclic Building Blocks Building Blocks Fused Ring Systems Pyrimidines PYRIMIDINE Pyridines, Pyrimidines, Purines and Pteredines Amines Building Blocks Heterocyclic Building Blocks