Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1H-Purine-2,6-dione,3,9-dihydro-1,3,8-trimethyl-
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830-65-9

830-65-9 structure

830-65-9 structure

Name: 1H-Purine-2,6-dione,3,9-dihydro-1,3,8-trimethyl-
Chemical Name: 1H-Purine-2,6-dione, 3,9-dihydro-1,3,8-trimethyl
CAS Number: 830-65-9
Molecular Formula: C₈H₁₀N₄O₂
Molecular Weight: 194.19100
Create Date: 2018-12-05 18:21:44
Modify Date: 2025-08-25 10:14:10

Name	1H-Purine-2,6-dione, 3,9-dihydro-1,3,8-trimethyl
Synonyms	8-Methyltheophyline 3,7-Dihydro-1,3,8-trimethyl-1H-purine-2,6-dione 8-(methyl)theophylline 1,3,8-Trimethyl-3,7-dihydro-purin-2,6-dion 1,3,8-trimethyl-3,7(9)-dihydro-purine-2,6-dione 1,3,8-trimethylxanthine 1,3,8-trimethyl-3,7-dihydro-purine-2,6-dione

Density	1.395g/cm3
Boiling Point	464.9ºC at 760 mmHg
Molecular Formula	C₈H₁₀N₄O₂
Molecular Weight	194.19100
Flash Point	234.9ºC
Exact Mass	194.08000
PSA	72.68000
Index of Refraction	1.605

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XH6030000

CHEMICAL NAME :: Theophylline, 8-methyl-

CAS REGISTRY NUMBER :: 830-65-9

LAST UPDATED :: 199206

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C8-H10-N4-O2

MOLECULAR WEIGHT :: 194.22

WISWESSER LINE NOTATION :: T56 BM DN FNVNVJ C1 F1 H1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 130 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 14,1202,1971

HS Code	2933990090

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%

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