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64887-40-7

64887-40-7 structure
64887-40-7 structure
  • Name: 3-(2-BENZOXAZOLYL)-7-HYDROXYCOUMARIN
  • Chemical Name: (3E)-3-(3H-1,3-benzoxazol-2-ylidene)chromene-2,7-dione
  • CAS Number: 64887-40-7
  • Molecular Formula: C16H9NO4
  • Molecular Weight: 279.24700
  • Create Date: 2019-01-09 22:03:53
  • Modify Date: 2024-01-04 10:10:48
Name (3E)-3-(3H-1,3-benzoxazol-2-ylidene)chromene-2,7-dione
Synonyms EINECS 265-263-8
3-benzoxazol-2-yl-7-hydroxy-1-benzopyran-2(2H)-one
3-benzooxazol-2-yl-7-hydroxy-chromen-2-one
3-(2-Benzolyl)-7-hydroxycoumarin
3-(2-benzoxazoyl)umbelliferone
3-(benzo[d]oxazol-2-yl)-7-hydroxy-2H-chromen-2-one
Density 1.487g/cm3
Boiling Point 550.558ºC at 760 mmHg
Melting Point 302ºC(lit.)
Molecular Formula C16H9NO4
Molecular Weight 279.24700
Flash Point 286.767ºC
Exact Mass 279.05300
PSA 76.21000
LogP 1.65860
Index of Refraction 1.722
Safety Phrases 22-24/25
WGK Germany 3
HS Code 2934999090
16105-44-5 structure

16105-44-5
95-01-2 structure

95-01-2

~76%

64887-40-7 structure

64887-40-7
Literature: PTC THERAPEUTICS, INC.; F. HOFFMANN-LA ROCHE AG; WOLL, Matthew G.; CHEN, Guangming; CHOI, Soongyu; DAKKA, Amal; HUANG, Song; KARP, Gary Mitchell; LEE, Chang-Sun; LI, Chunshi; NARASIMHAN, Jana; NARYSHKIN, Nikolai; PAUSHKIN, Sergey; QI, Hongyan; TURPOFF, Anthony A.; WEETALL, Marla L.; WELCH, Ellen; YANG, Tianle; ZHANG, Nanjing; ZHANG, Xiaoyan; ZHAO, Xin; PINARD, Emmanuel; RATNI, Hasane Patent: WO2013/101974 A1, 2013 ; Location in patent: Paragraph 00989; 00990 ;
15344-56-6 structure

15344-56-6
95-01-2 structure

95-01-2

~61%

64887-40-7 structure

64887-40-7
Literature: Elnagdi, M. H.; Abdallah, S. O.; Ghoneim, K. M.; Ebied, E. M.; Kassab, K. N. Journal of Chemical Research, Miniprint, 1997 , # 2 p. 375 - 384
39116-38-6 structure

39116-38-6
108-46-3 structure

108-46-3

~%

64887-40-7 structure

64887-40-7
Literature: Naik,H.A.; Seshadri,S. Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1977 , vol. 15, p. 506 - 508
HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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title: CAS No. 64887-40-7 | Chemsrc address: https://www.chemsrc.com/en/baike/857638.html

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