Home > Name List By 3 > 3,7-dihydropurine-2,6-dione

CAS No 69-89-6 , 3,7-dihydropurine-2,6-dione

  • Name: 3,7-dihydropurine-2,6-dione
  • Synonyms: 2,6-dioxopurine; Pseudoxanthine; 69-89-6; Xanthin;3,7-dihydropurine-2,6-dione; Isoxanthine;2,6-Dihydroxypurine; 1H-Purine-2,6-diol; Xanthic oxide;
  • CAS Registry Number:
  • Melting Point: 300 ºC
  • Density: 1.637 g/cm3
  • Refractive index: 1.5392 (20 C)
  • Safety Statements: R36;R43
  • Hazard Symbols: Xi: Irritant;
  • EINECS: 200-718-6
  • Molecular Weight: 152.11086
  • InchiKey: LRFVTYWOQMYALW-UHFFFAOYSA-N
  • InChI: InChI=1S/C5H4N4O2/c10-4-2-3(7-1-6-2)8-5(11)9-4/h1H,(H3,6,7,8,9,10,11)
  • Risk Statements: S36/37
  • Molecular Formula: C5H4N4O2
  • Molecular Structure:CAS No:69-89-6 3,7-dihydropurine-2,6-dione
Search by region :

Select to

69-89-6 Xanthine

  • China SHANGHAI HANHONG CHEMICAL,CO.,LTD. [Manufacturers]
  • Tel: +86-18917911573
  • Fax: +21 54291107
  • Address: Room 207,Zenghe Building ,Jiachuan Road 245, Xuhui District, Shanghai, China shang hai,shang haiChina
Contact Supplier

69-89-6 XANTHINE

  • Germany AppliChem GmbH [Manufacturer]
  • Tel: +49 6151 93 57 0
  • Fax: +49 6151 93 57 11
  • Address: AppliChem GmbH
    Ottoweg 4
    64291 Darmstadt
    Germany null,nullGermany
Contact Supplier

69-89-6 340113 1H-PURINE-2,6(3H,7H)-DIONE XANTHINE

  • Germany chemcube UG [Manufacturer]
  • Tel: +49 (22 08) 7 75 04 06
  • Fax: +49 (22 08) 7 75 02 30 /
    +49 (32 12) 1 00 74 76
  • Address: chemcube UG
    Salierweg 1
    53859 Niederkassel
    Germany null,nullGermany
Contact Supplier

69-89-6 Xanthine

  • Germany AppliChem mbH null
  • Tel: +49 6151 93 57 0
  • Fax: +49 6151 93 57 11
  • Address: Ottoweg 4 D-64291 Darmstadt null,nullGermany
Contact Supplier

69-89-6 Xanthine

  • China VETCHEM Biochemistry Science [Manufacturer, Distributor/Wholesaler]
  • Tel: +86-21-593837
  • Address: No.2 Jinshanwei Industrial Zon,Shanghai 200120 China Shanghai,ShanghaiChina
Contact Supplier

69-89-6 Xanthine

  • India Nile Chemicals [Manufacturers]
  • Tel: +91-(22)-66313162, 23454828
  • Fax: +91-(22)-23454828
  • Address: 202, Matruchhaya, 378/80 Narshi Natha Street, Mumbai, Maharashtra 400 009, Mumbai,MumbaiIndia
Contact Supplier

69-89-6 XANTHINE

Contact Supplier

69-89-6 X-0950 XANTHINE

  • Switzerland Biosynth AG [Manufacturer]
  • Tel: +41 71 858 20 20/ 630.305.8400 (USA)
  • Fax: +41 71 858 20 30
  • Address: BIOSYNTH AG
    Rietlistrasse 4
    9422 Staad / Switzerland
    Phone: +41 (0)71 858 20 20
    Fax: +41 (0)71 858 20 30 null,nullSwitzerland
Contact Supplier

69-89-6 Xanthine

Contact Supplier

69-89-6 Xanthine

Contact Supplier

Select to

References of 3,7-dihydropurine-2,6-dione
Title: Xanthine
CAS Registry Number: 69-89-6
CAS Name: 3,7-Dihydro-1H-purine-2,6-dione
Synonyms: 2,6(1H,3H)-purinedione; 2,6-dioxopurine
Molecular Formula: C5H4N4O2
Molecular Weight: 152.11
Percent Composition: C 39.48%, H 2.65%, N 36.83%, O 21.04%
Literature References: Occurs in animal organs, yeast, potatoes, coffee beans, tea. First isolated from urinary bladder stones: Beilstein 26, 447 (1937). Prepd by treating a sulfuric acid soln of guanine with sodium nitrite: Fischer, Ann. 215, 309 (1882). Several other syntheses, cf. Levene, Bass, Nucleic Acids (New York, 1931).
Properties: Scales, plates from water. Dec on heating without melting and with partial sublimation. Kb at 40° = 6.09′10-14; Ka at 40° = 1.19′10-10. Absorption spectrum: Kalckar, J. Biol. Chem. 167, 429 (1947). One gram dissolves in 14.5 liters of water at 16°, in 1.4 liters boiling water; less sol in alcohol. Sol in mineral acids, freely sol in NH4OH and in NaOH solns.
 
Derivative Type: 1,3-Dimethylxanthine see Theophylline
 
Derivative Type: 3,7-Dimethylxanthine see Theobromine
 
Derivative Type: 1,3,7-Trimethylxanthine see Caffeine