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CAS No 638-95-9 , alpha-Amyrin

  • Name: alpha-Amyrin
  • Synonyms: alpha-Amyrin;Urs-12-en-3beta-ol; Viminalol;
  • CAS Registry Number:
  • Transport: HAZARD
  • Melting Point: 178-183°C
  • Flash Point: 218.6°C
  • Boiling Point: 243 C
  • Density: 1.01 g/cm3 (20 C)
  • Refractive index: 1.537
  • Water Solubility: SOLVENT
  • Hazard Symbols: UN NO.
  • Flash Point: 218.6°C
  • EINECS: 211-352-1
  • Molecular Weight: 426.72
  • InChI: InChI=1S/C30H50O/c1-19-11-14-27(5)17-18-29(7)21(25(27)20(19)2)9-10-23-28(6)15-13-24(31)26(3,4)22(28)12-16-30(23,29)8/h9,19-20,22-25,31H,10-18H2,1-8H3/t19-,20+,22+,23-,24+,25+,27-,28+,29-,30-/m1/s1
  • Molecular Formula: C30H50O
  • Molecular Structure:CAS No:638-95-9 alpha-Amyrin

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638-95-9 A-Amyrin with hplc

  • A-Amyrin with hplc12-Ursen-3-b-ol, 99%
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638-95-9 0555.30-10MG ALPHA-AMYRINE

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638-95-9 ALPHA-AMYRIN

  • ALPHA-AMYRIN
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638-95-9 AMYRIN a-(SH)

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638-95-9 alpha-Amyrin

  • China Shanghai Xunxin Chemical Co., Ltd [Manufacturers]
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638-95-9 alpha-Amyrin

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638-95-9 alpha-Amyrin

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638-95-9 alpha-Amyrin

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638-95-9 A-AMYRINE

  • Norway Chiron AS [Manufacturer]
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638-95-9 alpha-Amyrin

  • alpha-Amyrin AMYRIN a-(SH) 12-Ursen-3-beta-ol Delta-Amyrin Amyrin A-Amyrin with hplc 12-Ursen-3-b-ol
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References of alpha-Amyrin
Title: a-Amyrin
CAS Registry Number: 638-95-9
CAS Name: (3b)-Urs-12-en-3-ol
Synonyms: a-amyrenol; viminalol
Molecular Formula: C30H50O
Molecular Weight: 426.72
Percent Composition: C 84.44%, H 11.81%, O 3.75%
Literature References: Occurs mostly as acetate in latex of rubber trees, in latex from Ficus variegata Blume, Moraceae, also in Balanophora elongata Blume, Balanophoraceae, and in Erythroxylum coca Lam. var. novogranatense Morris, and var. spruceanum Burck, Erythroxylaceae. Isoln from Manila elemi: Vesterberg, Westerlind, Ann. 428, 247 (1922). Structural studies: Spring, Vickerstaff, J. Chem. Soc. 1937, 249; Beynon et al., ibid. 1938, 1233; Meisels et al., Helv. Chim. Acta 32, 1075 (1949), 38, 1298 (1955); Melera et al., ibid. 39, 441 (1956). Identity with viminalol: Soldin, Marais, J. Pharm. Soc. 55, 452 (1966). Formation from ursolic acid: Goodson, J. Chem. Soc. 1938, 999; from boswellic acid: Ruzicka, Wirz, Helv. Chim. Acta 22, 948 (1939). Partial synthesis from glycyrrhetic acid and stereochemistry: Corey, Cantrall, J. Am. Chem. Soc. 81, 1745 (1959). Review: J. Simonsen, W. C. J. Ross, The Terpenes vol. IV (University Press, Cambridge, 1957) pp 116-148.
Properties: Needles from alcohol, mp 186°. bp0.7 243°. [a]D17 +91.6° (c = 1.3 in benzene). Sol in 22 parts 98% alc. Sol in ether, benzene, chloroform, glacial acetic acid. Slightly sol in petr ether.
Melting point: mp 186°
Boiling point: bp0.7 243°
Optical Rotation: [a]D17 +91.6° (c = 1.3 in benzene)
 
Derivative Type: Acetate
Molecular Formula: C32H52O2
Molecular Weight: 468.75
Percent Composition: C 81.99%, H 11.18%, O 6.83%
Properties: Leaflets from petr ether, mp 227°. [a]D20 +76.35° (c = 0.572 in CHCl3).
Melting point: mp 227°
Optical Rotation: [a]D20 +76.35° (c = 0.572 in CHCl3)
 
Derivative Type: Benzoate
Molecular Formula: C37H54O2
Molecular Weight: 530.82
Percent Composition: C 83.72%, H 10.25%, O 6.03%
Properties: Prisms from benzene + acetone, mp 195-196°. [a]D10 +94.6° (c = 1.9 in CHCl3).
Melting point: mp 195-196°
Optical Rotation: [a]D10 +94.6° (c = 1.9 in CHCl3)