Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1,9-Dimethylxanthine
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,9-DIMETHYLXANTHINE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

33073-01-7

33073-01-7 structure

33073-01-7 structure

Name: 1,9-Dimethylxanthine
Chemical Name: 1,9-dimethyl-3H-purine-2,6-dione
CAS Number: 33073-01-7
Molecular Formula: C₇H₈N₄O₂
Molecular Weight: 180.164
Create Date: 2018-05-22 08:00:00
Modify Date: 2025-08-25 10:03:17

Name	1,9-dimethyl-3H-purine-2,6-dione
Synonyms	3,9-dihydro-1,9-dimethyl-1H-purine-2,6-dione 1,9-Dimethyl-isoxanthin 1,9-dimethyl-3,9-dihydro-purine-2,6-dione 2,6-Dihydroxy-1,9-dimethylpurine 1,9-Dimethyl-3,9-dihydro-purin-2,6-dion 1,9-Dimethyl-3,9-dihydro-1H-purine-2,6-dione 1H-Purine-2,6-dione, 3,9-dihydro-1,9-dimethyl- 1,9-DimethylX EINECS 251-367-0 1,9-Dimethylxanthine

Density	1.6±0.1 g/cm3
Melting Point	≥300ºC
Molecular Formula	C₇H₈N₄O₂
Molecular Weight	180.164
Exact Mass	180.064728
PSA	72.68000
LogP	-1.57
Index of Refraction	1.737

Safety Phrases	22-24/25
WGK Germany	3
HS Code	2933990090

13922-79-7 structure

13922-79-7

~%

33073-01-7 structure

33073-01-7

Literature: Biltz et al. Justus Liebigs Annalen der Chemie, 1921 , vol. 423, p. 215 Justus Liebigs Annalen der Chemie, 1922 , vol. 426, p. 242 Full Text Show Details Biltz; Pardon Justus Liebigs Annalen der Chemie, 1935 , vol. 515, p. 201,250

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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