ChemicalBook >> CAS DataBase List >>8-chloro-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione

8-chloro-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione

CAS No.
4921-49-7
Chemical Name:
8-chloro-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
Synonyms
Caffeine EP Impurity A;8-Chlorocaffein;Caffeine Impurity 2;Dimenhydrinate Impurity 3;Dimenhydrinate Impurity E;1,3,7-Trimethyl-8-chloroxanthine;DiMenhydrinate Related CoMpound E;8-Chloro-1,3,7-trimethyl-3,7-dihydr;Dimenhydrinate USP Related Compound E;Dimenhydrinate EP Impurity E (8-Chlorocaffeine)
CBNumber:
CB6916604
Molecular Formula:
C8H9ClN4O2
Molecular Weight:
228.64
MDL Number:
MOL File:
4921-49-7.mol
MSDS File:
SDS
Last updated:2026-05-28 03:54:20

8-chloro-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione Properties

Melting point 190-192°C
Boiling point 425.4±55.0 °C(Predicted)
Density 1.60±0.1 g/cm3(Predicted)
storage temp. Refrigerator
solubility Chloroform: soluble
form A solid
pka -2+-.0.20(Predicted)
FDA UNII 297FVR09D5
UNSPSC Code 41116107
NACRES NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302
Precautionary statements  P301+P312+P330
HS Code  2939300000

8-chloro-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione price More Price(26)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich L158399 8-CHLORO-1,3,7-TRIMETHYL-3,7-DIHYDRO-1H-PURINE-2,6-DIONE AldrichCPR 4921-49-7 1 unit $197 2026-04-30 Buy
Sigma-Aldrich 1206017 Dimenhydrinate Related Compound E United States Pharmacopeia (USP) Reference Standard 4921-49-7 15MG $1550 2026-04-30 Buy
Sigma-Aldrich L158399 8-CHLORO-1,3,7-TRIMETHYL-3,7-DIHYDRO-1H-PURINE-2,6-DIONE AldrichCPR 4921-49-7 50MG $179 2024-03-01 Buy
Cayman Chemical 35817 8-chloro Caffeine ≥98% 4921-49-7 50mg $41 2026-04-30 Buy
Cayman Chemical 35817 8-chloro Caffeine ≥98% 4921-49-7 100mg $73 2026-04-30 Buy
Product number Packaging Price Buy
L158399 1 unit $197 Buy
1206017 15MG $1550 Buy
L158399 50MG $179 Buy
35817 50mg $41 Buy
35817 100mg $73 Buy

8-chloro-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione Chemical Properties,Uses,Production

Chemical Properties

White Solid

Uses

A halogenated analog of Caffeine (C080100) as potential radiosensitizing agent.

8-chloro-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione Preparation Products And Raw materials

8-chloro-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione Suppliers

Global( 41)Suppliers
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J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Chemsky(shanghai)International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32273 50
Shanghai Kewel Chemical Co., Ltd. 021-64609169 18901607656 greensnown@163.com China 9883 50
Hubei Yangxin Medical Technology Co., Ltd. 15374522761 3003392093@yongstandards.com China 9995 55
Shenzhen SUNGENING Bio-Medical Co., Ltd. 0755-28967200 13631290199 wxf@sungening.com China 9609 60
Shenzhen Polymeri Biochemical Technology Co., Ltd. +86-400-002-6226 sales@rrkchem.com China 57336 58
sgtlifesciences pvt ltd +91-8790379245 dj@sgtlifesciences.com China 12351 58
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SHENZHEN PHYSTANDARD BIO-TECH CO.,LTD 0755-83725350 13380397412 3001280422@qq.com China 10000 58
Shanghai Sunmonth Technology Co., LTD 15216675652 xuanyuelj@163.com China 3000 58

4921-49-7(8-chloro-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione)Related Search:

8-chloro-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione 1,3,7-Trimethyl-8-chloroxanthine 8-Chlorocaffein DiMenhydrinate Related CoMpound E Caffeine Impurity 2 Dimenhydrinate Impurity 3 8-Chloro-1,3,7-trimethyl-3,7-dihydr 1H-Purine-2,6-dione, 8-chloro-3,7-dihydro-1,3,7-trimethyl- Dimenhydrinate Impurity 5 (Dimenhydrinate EP Impurity E) Dimenhydrinate EP Impurity E (8-Chlorocaffeine) Dimenhydrinate Related Compound E (8-chloro-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione) (1206017) Dimenhydrinate Impurity E Dimenhydrinate USP Related Compound E 8-chloro-1,3,7-trimethyl-3,7-dihydro-1H-purine-2,6-dione (8-chlorocaffeine), Dimenhydrinate Related Compound E (15 mg) (8-chloro-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione) Dimenhydrinate EP Impurity E (Dimenhydrinate USP Related Compound E) Caffeine EP Impurity A 4921-49-7 Heterocycles Intermediates & Fine Chemicals Pharmaceuticals