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CAS No 90-33-5 , 7-hydroxy-4-methylchromen-2-one

  • Name: 7-hydroxy-4-methylchromen-2-one
  • Synonyms: Cholestil; Mendiaxon; beta-Methylumbelliferone; 7-HYDROXY-4-METHYLCOUMARIN;Hymecromone; Imecromone; Cantabiline;7-hydroxy-4-methylchromen-2-one; 90-33-5;
  • CAS Registry Number:
  • Melting Point: 186-191 ºC
  • Density: 1.319 g/cm3
  • Safety Statements: R20/21/22;R36/37/38
  • Hazard Symbols: Xn: Harmful;
  • EINECS: 201-986-7
  • Molecular Weight: 176.16872
  • InchiKey: HSHNITRMYYLLCV-UHFFFAOYSA-N
  • InChI: InChI=1S/C10H8O3/c1-6-4-10(12)13-9-5-7(11)2-3-8(6)9/h2-5,11H,1H3
  • Risk Statements: S26;S37/39
  • Molecular Formula: C10H8O3
  • Molecular Structure:CAS No:90-33-5 7-hydroxy-4-methylchromen-2-one
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90-33-5 7-Hydroxy-4-Methylcoumarin

  • 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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90-33-5 7-Hydroxy-4-methylcoumarin

  • China Laiwu Hehui Chemical Co.,Ltd. null
  • Tel: +86-(531)-88772589
  • Fax: +86-(531)-88772589
  • Address: Huashan Rd., Jinan City, Shandong 250000, null,nullChina
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90-33-5 7-HYDROXY-4-METHYLCOUMARIN 99%

  • Hong kong Advanced Technology & Industrial Co., Ltd. [Manufacturer]
  • Tel: (852) 2390 2293/ (852) 2394 5546
  • Fax: (852) 2789 8314
  • Address: Unit B, 1/F., Cheong Shing Bldg.,
    17 Walnut St., Tai Kok Tsui, Kln,
    Hong Kong null,nullHong kong
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90-33-5 7-Hydroxy-4-Methylcoumarin

  • China Jinan Haohua Industry Co., Ltd. [Manufacturer]
  • Tel: +86-531-55569255
  • Fax: +86-531-55569299
  • Address: 40 Huayuan Rd, Jinan, Shandong 250100, jinan,shandongChina
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90-33-5 7-Hydroxy-4-methylcoumarin

  • China Xingcheng Chempharm Co., Ltd [Manufacturer]
  • Tel: +86-576-88525005/ +86-576-88886292
  • Fax: +86-576-88225056
  • Address: B Area, 10F, Yaoda Mansion, 289, Shifu Road, Taizhou, Zhejiang, China 318000 null,nullChina
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90-33-5 Hymecromone

  • United States GFS Chemicals, Inc. [Manufacturer]
  • Tel: 800-858-9682/ 740-881-5501
  • Fax: 740-881-5989
  • Address: GFS Chemicals, Inc.
    P.O. Box 245
    Powell, OH 43065 null,nullUnited States
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90-33-5 7-HYDROXY-4-METHYLCOUMARIN

  • United States Tripletoxygen [Manufacturer]
  • Fax: 713-666-7398
  • Address: Tripletoxygen
    P.O. Box 20650
    Houston, TX 77225-0650 null,nullUnited States
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90-33-5 7-HYDROXY-4-METHYLCOUMARIN

  • Germany CHEMOS GmbH [Manufacturer]
  • Tel: 0049 9402/9336 0
  • Fax: 0049 9402/9336 13
  • Address: CHEMOS GmbH
    Werner-von-Siemensstr. 3
    93128 Regenstauf
    Germany null,nullGermany
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90-33-5 7-HYDROXY-4-METHYLCOUMARIN

  • China Hainan Zhongxin Chemical Co., Ltd. [Manufacturer]
  • Tel: + 86 898 6854 0310/ + 86 21 64361616
  • Fax: + 86 898 6854 0119
  • Address: HAINAN COMPANY
    Address: Rm 811, Hainan Mandarin Hotel,
    Binhai Avenue, Haikou city,
    Hainan, P.R.China
    Tel: + 86 898 6854 0310
    Fax: + 86 898 6854 0119 null,nullChina
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90-33-5 7-Hydroxy-4-Methylcoumarin

  • China Taizhou Crene Chempharm Co., Ltd. null
  • Tel: +86-(576)-88813233
  • Fax: +86-(576)-88670057
  • Address: Weiwu Load Economic Developed Zone, Taizhou, Zhejiang 318000, null,nullChina
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References of 7-hydroxy-4-methylchromen-2-one
Title: Hymecromone
CAS Registry Number: 90-33-5
CAS Name: 7-Hydroxy-4-methyl-2H-1-benzopyran-2-one
Synonyms: 7-hydroxy-4-methylcoumarin; 7-hydroxy-4-methyl-2-oxo-3-chromene; 4-methylumbelliferone; b-methylumbelliferone; imecromone; 4-MU
Trademarks: Bilcolic (Unifa); Biliton H (Berlin-Chemie); Cantabilin (Formenti); Cantabiline; Cholonerton (Dolorgiet); Cholspasmin (Lipha); Cumarote C (Towa Yakuhin); Himecol (Kissei); Medilla (Omega); Mendiaxon (Roland)
Molecular Formula: C10H8O3
Molecular Weight: 176.17
Percent Composition: C 68.18%, H 4.58%, O 27.25%
Literature References: Prepd from resorcinol and ethyl acetoacetate: Pechmann, Duisberg, Ber. 16, 2119 (1883); Russell, Frye, Org. Synth. 21, 23 (1941); Woods, Sapp, J. Org. Chem. 27, 3703 (1962). Use in determn of nitric acid: F. J. Welcher, Organic Analytical Reagents vol. 1 (Van Nostrand, New York, 1947) pp 214-215.
Properties: Crystals from alc, mp 194-195° (Woods, Sapp), formerly reported as 185-186° (Pechmann, Duisberg). uv max (methanol): 221, 251, 322.5 nm. Blue fluorescence in alcohol + water. Sol in methanol, glacial acetic acid; slightly sol in ether, chloroform. Practically insol in cold water.
Melting point: mp 194-195° (Woods, Sapp)
Absorption maximum: uv max (methanol): 221, 251, 322.5 nm
Use: Analytical reagent.
Therap-Cat: Choleretic; antispasmodic.
Keywords: Antispasmodic; Choleretic.