Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1H-Purine-2,6-dione,8-chloro-3,7-dihydro-1,3,7-trimethyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

4921-49-7

4921-49-7 structure

4921-49-7 structure

Name: 1H-Purine-2,6-dione,8-chloro-3,7-dihydro-1,3,7-trimethyl
Chemical Name: 8-chloro-1,3,7-trimethylpurine-2,6-dione
CAS Number: 4921-49-7
Molecular Formula: C₈H₉ClN₄O₂
Molecular Weight: 228.63600
Create Date: 2016-04-25 20:01:44
Modify Date: 2026-08-01 18:38:36

Name	8-chloro-1,3,7-trimethylpurine-2,6-dione
Synonyms	EINECS 225-552-1 8-chloro-1,3,7-trimethyl-3,7-dihydro-1H-purine-2,8-dione 8-Chloro-1,3,7-trimethyl-3,7-dihydr 8-chloro-1,3,7-trimethyl-3,7-dihydro-1H-purine-2,6-dione (8-chlorocaffeine) Dimenhydrinate Impurity E (8-Chlorocaffeine) 1,3,7-Trimethyl-2,6-dioxo-8-chloro.1H,3H,7H-xanthine Dimenhydrinate Related Compound E (8-chloro-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione) Caffeine Impurity A 1,3,7-Trimethyl-8-chloroxanthine 8-chloro-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione Dimenhydrinate Related Compound E 8-Chlor-3,7-dihydro-1,3,7-trimethyl-1H-purin-2,6-dion CAFFEINE,8-CHLORO Dimenhydrinate Impurity E 8-Chlorocaffein Dimenhydrinate Related Compound E (15 mg) (8-chloro-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione) 8-chloro-1,3,7-trimethylxanthine Dimenhydrinate Impurity 5 (Dimenhydrinate Impurity E) 8-chloro-1,3,7-trimethyl-3,7-dihydro-1H-purine-2,6-dione Dimenhydrinate Impurity 3 Caffeine Impurity 2 8-Chloro Caffeine 8-Chloro-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione 1H-Purine-2,6-dione, 8-chloro-3,7-dihydro-1,3,7-trimethyl

Density	1.6g/cm3
Boiling Point	425.4ºC at 760mmHg
Melting Point	190-192ºC
Molecular Formula	C₈H₉ClN₄O₂
Molecular Weight	228.63600
Flash Point	211.1ºC
Exact Mass	228.04100
PSA	61.82000
Index of Refraction	1.696

CHEMICAL IDENTIFICATION

RTECS NUMBER :: EV6494000

CHEMICAL NAME :: Caffeine, 8-chloro-

CAS REGISTRY NUMBER :: 4921-49-7

BEILSTEIN REFERENCE NO. :: 0232628

LAST UPDATED :: 199612

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C8-H9-Cl-N4-O2

MOLECULAR WEIGHT :: 228.66

WISWESSER LINE NOTATION :: T56 BN DN FNVNVJ B1 CG F1 H1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :: Cytogenetic analysis

TEST SYSTEM :: Rodent - hamster Lung

DOSE/DURATION :: 4 mmol/L

REFERENCE :: HEREAY Hereditas (Lund, Sweden). (Gjoerloffsgatan 121, S-261 34 Landskrona, Sweden) V.1- 1947- Volume(issue)/page/year: 75,277,1973

Precursor 10
58-08-2 85-18-7 74-88-4 6937-66-2
42297-40-5 2309-49-1 2099-73-2 13548-68-0
60-29-7 10026-13-8
DownStream 10
577-66-2 1818-66-2 24851-28-3 6136-37-4
5415-44-1 35629-13-1 31542-46-8 1790-74-5
130187-58-5 58-08-2

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.