Home > Name List By 2 > 2-amino-3,7-dihydropurin-6-one China

CAS No 73-40-5 , 2-amino-3,7-dihydropurin-6-one Search by region : China

  • Name: 2-amino-3,7-dihydropurin-6-one
  • Synonyms: 2-Aminohypoxanthine; Mearlmaid; 73-40-5; Stella Polaris; Guanin;2-Amino-6-hydroxypurine;2-amino-3,7-dihydropurin-6-one; Pearl essence; Guanine enol;
  • CAS Registry Number:
  • Melting Point: 360 ºC
  • Density: 2.19 g/cm3
  • Refractive index: 2.047
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • EINECS: 200-799-8
  • Molecular Weight: 151.1261
  • InchiKey: UYTPUPDQBNUYGX-UHFFFAOYSA-N
  • InChI: InChI=1S/C5H5N5O/c6-5-9-3-2(4(11)10-5)7-1-8-3/h1H,(H4,6,7,8,9,10,11)
  • Risk Statements: S26;S37/39
  • Molecular Formula: C5H5N5O
  • Molecular Structure:CAS No:73-40-5 2-amino-3,7-dihydropurin-6-one

Related products

Select to

73-40-5 Guanine

  • Name:Guanine Synonym:C.I. 75170; C.I. Natural White 1; 2-Amino-1,7-Dihydro-6H-Purin-6-One; 2-Aminohypoxanthine; 2-Amino-6-Hydroxypurine; 2-Amino-3,7-Dihydro-6H-Purin-6-One; 6-Hydroxy-2-Aminopurine; 6-N-Hydroxyaminopurine; Akos B019969; 2-Amino-1,9-Di...
  • Min. Order: 5000
  • FOB Price: USD20 - 35 /
  • China Hubei Yuancheng Saichuang Technology Co., Ltd. [Manufacturer, Trading Company]
  • Tel: 86-027-50756244
  • Fax: --
  • Address: 496# Zhongshan Road,Wuchang, Wuhan,Hubei,China wuhan ,HubeiChina
Contact Supplier

73-40-5 Guanine

  • China Taiyuan RHF CO., ltd. [Manufacturers]
  • Tel: 0351-7436719
  • Fax: +86-351-7436719
  • Address: Shuangta South Alley 46,2-1, YingZe Area,Taiyuan, ShanXi null,ShanXiChina
Contact Supplier

73-40-5 Guanine

  • GuanineGuanine, 98%
  • China PMIDA AGROCHEMICAL CO.,LTD [Manufacturer]
  • Tel: +86-023-67030808-8010
  • Fax: +86-023-67030809
  • Address: 17F,Venus Science Incubate Center,No.60 Xingguang Road,New North Zone401121 ChongqingCHINA Chongqing,nullChina
Contact Supplier

73-40-5 Guanine

  • Guanine, 98%
  • China Shanghai Rainbow Chemistry Co., Ltd. [Manufacturer]
  • Tel: +86-21-64968086
  • Fax: +86-21-64968086
  • Address: Room 128, Building B, No. 8 Lane 1305, Huajing Road, Xuhui District, Shanghai, P.R. China 200000 Shanghai CHINA Shanghai,nullChina
Contact Supplier

73-40-5 Guanine

  • Guanine2-Amino-6-hydroxypurine
  • China Sunkingchem Pharmaceutical Co., Ltd. [Manufacturer]
  • Tel: +86-28-88007744
  • Fax: +86-28-85193812
  • Address: A-703, Gaofa Building, Jiuxing Road 6#, Hi-Tech Zone 610041, Chengdu, Sichuan, China.610041 ChengduCHINA Chengdu,nullChina
Contact Supplier

73-40-5 guanine

  • guanine, 98
  • China Betapharma Shanghai Inc.Co., Ltd [Manufacturer]
  • Tel: 86-21-62951620
  • Fax: 86-21-32230794
  • Address: Jinming Building 12A No. 8 Zunyi(S) Rd. Shanghai China 200336 shanghaiCHINA shanghai,nullChina
Contact Supplier

73-40-5 Guanine

  • Guanine, 98.5%Min
  • China Zeniview Chemistry Technology Co., Ltd. [Manufacturer]
  • Tel: +86-25-86088590
  • Fax: +86-25-85612276
  • Address: No.05,No.01 Hangzhongmen Dajie, Nanjing, China 210016 Nanjing CHINA 210016 NanjingCHINA Nanjing,nullChina
Contact Supplier

73-40-5 Synthetic Pearl Essence

  • China Shanghai Hanhong Chemical Co., Ltd. [Manufacturer, Trading Company, Agent]
  • Tel: +86-(21)-64762736, 64531573
  • Fax: +86-(21)-54291107
  • Address: 206-209, NO.1 Building , NO.245,Jiachuan Road, Xuhui District, Shanghai, Xuhui District,ShanghaiChina
Contact Supplier

73-40-5 Guanine

  • Guanine
  • China Shenzhen sailing chemical Co.,Ltd [Manufacturer]
  • Tel: 86-755-26415005
  • Fax: 86-755-26412646
  • Address: 1-403 Bei tou hao yuan Nanxing Road Nanshan District Shenzhen, Guangdong 518051 shenzhenCHINA shenzhen,nullChina
Contact Supplier

73-40-5 Guanine

  • China SHANGHAI HANHONG CHEMICAL CO.,LTD. [Manufacturers]
  • Tel: 021-64545202
  • Fax: 021-54291107
  • Address: Room 207, Zenghe Building , No.245, Jiachuan Road, Xuhui District, Shanghai, China shanghai,shanghaiChina
Contact Supplier

Select to

1/9
1 2 3 4 5 6 7 8 9 Next
References of 2-amino-3,7-dihydropurin-6-one
Title: Guanine
CAS Registry Number: 73-40-5
CAS Name: 2-Amino-1,7-dihydro-6H-purin-6-one
Synonyms: 2-aminohypoxanthine
Molecular Formula: C5H5N5O
Molecular Weight: 151.13
Percent Composition: C 39.74%, H 3.33%, N 46.34%, O 10.59%
Literature References: Constituent of nucleic acids; widespread in animal and plant kingdom. First isolated from guano. Syntheses: Fisher, Ber. 30, 2226 (1897); Traube, ibid. 33, 1371 (1900); DE 134984 (1903); DE 158591 (1903); DE 162336 (1904). Prepn of 15N-isotopic guanine following Traube's synthesis: Plentl, Schoenheimer, J. Biol. Chem. 153, 203 (1944). Several desmotropic forms. Crystal structure of hydrochloride monohydrate: Broomhead, Acta Crystallogr. 4, 92 (1951). Reviews: Shapiro, Prog. Nucleic Acid Res. Mol. Biol. 8, 73-112 (1968); Ts'o, "Bases, Nucleosides and Nucleotides" in Basic Principles in Nucleic Acid Chemistry vol. 1, P. O. P. Ts'o, Ed. (Academic Press, New York, 1974) pp 453-584.
Properties: Usually amorphous. Small rhombic crystals by slow evaporation of aq soln contg large excess of NH3. Dec above 360° with partial sublimation. uv max (pH 6.2): 246, 275 nm (e ′ 10-3 10.7, 8.1). Freely sol in ammonia water, aq KOH solns, dil acids; sparingly sol in alcohol, ether. Almost insol in water. pKb 3.22; pKa 9.92, detd at 40°. Many compds with acids, bases and metals have been prepared.
pKa: pKb 3.22; pKa 9.92, detd at 40°
Absorption maximum: uv max (pH 6.2): 246, 275 nm (e ′ 10-3 10.7, 8.1)
 
Derivative Type: Hydrochloride monohydrate
Molecular Formula: C5H5N5O.HCl.H2O
Molecular Weight: 205.60
Percent Composition: C 29.21%, H 3.92%, N 34.06%, O 15.56%, Cl 17.24%
Properties: Cryst powder. Loses H2O at 100°, HCl at 200°. Practically insol in water, alcohol, ether; sol in acidulated water.