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CAS No 65-71-4 , 5-methyl-1H-pyrimidine-2,4-dione

  • Name: 5-methyl-1H-pyrimidine-2,4-dione
  • Synonyms: 2,4(1H,3H)-Pyrimidinedione; Thymine anhydrate; Thymin;5-methyl-1H-pyrimidine-2,4-dione; 2,4-Dihydroxy-5-methylpyrimidine;5-methyluracil; 5-methyl-; 65-71-4;
  • CAS Registry Number:
  • Transport: 20kgs
  • Melting Point: 316-317 ºC
  • Flash Point: 198 ºC
  • Boiling Point:
  • Density: 1.226 g/cm3
  • Refractive index: 1.489
  • Safety Statements: S24/25
  • Hazard Symbols: UN NO.
  • Flash Point: 198 ºC
  • EINECS: 200-616-1
  • Molecular Weight: 126.11334
  • InchiKey: RWQNBRDOKXIBIV-UHFFFAOYSA-N
  • InChI: InChI=1S/C5H6N2O2/c1-3-2-6-5(9)7-4(3)8/h2H,1H3,(H2,6,7,8,9)
  • Risk Statements: S24/25
  • Molecular Formula: C5H6N2O2
  • Molecular Structure:CAS No:65-71-4 5-methyl-1H-pyrimidine-2,4-dione
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65-71-4 Thymine

  • Thymine Name:Thymine Synonym:2,4(1H,3H)-Pyrimidinedione, 5-methyl-; 2,4-Dihydroxy-5-methylpyrimidine; 2,4-dioxy-5-methyl pyrimidine; 5-Methyluracil; Thy; 5-methyl-uracil; 5-methyl uracil; Thymine 2-4-Dihydroxy-5-methylpyrimidine; 5-methylpyrimidine-2...
  • Min. Order: 200
  • FOB Price: USD1 - 100 /
  • China Wuhan YuanCheng GongChuang Technology Co.Ltd [Manufacturer]
  • Tel: 86-027-50756063
  • Address: 496.Zhongshan Road Wuhan,HubeiChina
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65-71-4 THYMINE; 97%

  • Germany ABCR GmbH & Co KG [Manufacturer]
  • Tel: +49 721 95061-0
  • Fax: +49 721 95061-80
  • Address: Im Schlehert 10
    76187 Karlsruhe
    Germany null,nullGermany
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65-71-4 Thymine

  • Name:Thymine Synonym:2,4(1H,3H)-Pyrimidinedione, 5-methyl-; 2,4-Dihydroxy-5-methylpyrimidine; 2,4-dioxy-5-methyl pyrimidine; 5-Methyluracil; Thy; 5-methyl-uracil; 5-methyl uracil; Thymine 2-4-Dihydroxy-5-methylpyrimidine; 5-methylpyrimidine-2,4(1H,3H...
  • Min. Order: 1000
  • FOB Price: USD50 - 80 /
  • China Wuhan Yuancheng Gongchuang Sales Technology Co.Ltd. [Manufacturer]
  • Tel: 86-027-50755994
  • Fax: 86-027-68886696
  • Address: No.496,Zhongshan Road, Wuhan, Hubei, China Wuhan,HubeiChina
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  • 65-71-4 Thymine

    • 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
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    65-71-4 Thymine

    • United States HBCChem, Inc. [Manufacturers]
    • Tel: +1-510-219-6317
    • Fax: +1-510-675-0318
    • Address: null Union City,CaliforniaUnited States
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    65-71-4 Thymine

    • 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
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    65-71-4 Thymine

    • China XinChem Corporation [Manufacturers]
    • Tel: +86-(21)-34123252
    • Fax: +86-(21)-54153973
    • Address: 102/30, 3455 Chunshen Road, Shanghai 201100, null,ShanghaiChina
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    65-71-4 Thymine

    • China Xilin Chemical Group Co., Ltd null
    • Tel: +86-(0)-15527136576
    • Fax: +86-(27)-83820093
    • Address: 16# Luojiashan, Wuchang District, Wuhan, Hubei 430071, null,nullChina
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    65-71-4 Thymine

    • 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
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    65-71-4 Thymine

    • China BINHAI HANHONG BIOCHEMICAL CO., LTD. [Manufacturers]
    • Tel: +86-21-54302127
    • Fax: +86-21-54291107
    • Address: Room 209,Zonghe Building ,Jiachuan Road 245, Xuhui District, Shanghai, China Shanghai,ShanghaiChina
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    References of 5-methyl-1H-pyrimidine-2,4-dione
    Title: Thymine
    CAS Registry Number: 65-71-4
    CAS Name: 5-Methyl-2,4(1H,3H)-pyrimidinedione
    Synonyms: 5-methyluracil; 2,4-dihydroxy-5-methylpyrimidine
    Molecular Formula: C5H6N2O2
    Molecular Weight: 126.11
    Percent Composition: C 47.62%, H 4.80%, N 22.21%, O 25.37%
    Literature References: A pyrimidine derivative; constituent of nucleic acids. Originally isolated from thymus nucleic acid: Levene, Z. Physiol. Chem. 39, 4 (1903). Prepn by heating 2-ethylmercapto-4-hydroxy-5-methylpyrimidine: Wheeler, Merriam, Am. Chem. J. 29, 478 (1903); 43, 29 (1910). From methylcyanacetylurea by catalytic reduction: Bergmann, Johnson, J. Am. Chem. Soc. 55, 1733 (1933). From b-methylmalic acid: Scherp, J. Am. Chem. Soc. 68, 912 (1946). Crystal structure of monohydrate: Gerdil, Acta Crystallogr. 14, 333 (1961). Review: 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: Dendritic or star-shaped plates from water, sometimes short needles. Sublimes in platelets. Dec 335-337° (Kofler stage). Weak acid, pK at 25° = 9.94. uv max (pH 7.0): 205, 264.5 nm (e ′ 103 9.5, 7.9). Absorption spectra: D. Voet et al., Biopolymers 1, 193 (1963). Sol in hot water; slightly sol in cold water (4 g/l at 25°). Somewhat sol in alc; sparingly sol in ether; readily sol in alkalies with formation of salts. Oxidation yields urea, ethanal, pyruvic acid, formic acid. Hydrazine reacts with thymine forming urea and 4-methylpyrazolone. Thymine forms a silver salt which is sol in excess ammonia. Its mercuric and lead salts are insol.
    pKa: pK at 25° = 9.94
    Absorption maximum: uv max (pH 7.0): 205, 264.5 nm (e ′ 103 9.5, 7.9)
     
    Derivative Type: Thymine-2-desoxyriboside see Thymidine
     
    Use: In biochemical research.