Home > Name List By u > Urs-20(30)-en-3-ol, (3b,18a,19a)-

CAS No 1059-14-9 , Urs-20(30)-en-3-ol, (3b,18a,19a)-

  • Name: Urs-20(30)-en-3-ol, (3b,18a,19a)-
  • Synonyms: Isolactucerol;18a,19bH-Urs-20(30)-en-3b-ol (7CI,8CI);Urs-20(30)-en-3-ol, (3b,18a,19a)-; Taraxasterol (6CI); 4-Taraxasterol; Saussurol; a-Lactucerol; Lactucerol;
  • CAS Registry Number:
  • Flash Point: 217°C
  • Boiling Point: 488.2°Cat760mmHg
  • Density: 1g/cm3
  • Refractive index: 1.534
  • Flash Point: 217°C
  • Molecular Weight: 0
  • InChI: InChI=1/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/h20-25,31H,1,9-18H2,2-8H3/t20-,21?,22?,23?,24+,25?,27-,28+,29-,30-/m1/s1
  • Molecular Formula: C30H50 O
  • Molecular Structure:CAS No:1059-14-9 Urs-20(30)-en-3-ol, (3b,18a,19a)-

Related products

Select to

1059-14-9 Urs-20(30)-en-3-ol, (3b,18a,19a)-

  • China BioBioPha Co., Ltd. [Manufacturer]
  • Tel: +86-871-5217109
  • Fax: +86-871-5217109
  • Address: 132 Lanhei Road, Kunming Institute of Botany, Chinese Academy of Sciences null,nullChina
Contact Supplier

1059-14-9 TARAXASTEROL

  • China Nanjing Chemlin Chemical Industry Co.,Ltd. [Manufacturer]
  • Tel: +86 25 8369-7070/ +86 138 51816776 (Mobile)
  • Fax: +86 25 8345-3275
  • Address: Rm.902 Longyin Plaza,
    No. 217 Zhongshan Rd.
    (N)Nanjing 210009,China null,nullChina
Contact Supplier

Select to

1/1
References of Urs-20(30)-en-3-ol, (3b,18a,19a)-
Title: Taraxasterol
CAS Registry Number: 1059-14-9
CAS Name: (3b,18a,19a)-Urs-20(30)-en-3-ol
Synonyms: taraxast-20(30)-en-3b-ol; anthesterin; a-lactucerol; taraxasterin
Molecular Formula: C30H50O
Molecular Weight: 426.72
Percent Composition: C 84.44%, H 11.81%, O 3.75%
Literature References: A monohydroxy triterpene. Isoln from Taraxacum officinale, Wiggers, Compositae: Power, Browning, J. Chem. Soc. 101, 2411 (1912). Structure and configuration: Ames et al., ibid. 1954, 1905. Identity with anthesterin: Power, Browning ibid. 105, 1829 (1914); with a-lactucerol: Zellner, Monatsh. Chem. 47, 681 (1926).
Properties: Needles from alcohol, mp 221-222°. [a]D +96.3° (CHCl3). Very sol in alcohol, ether, petr ether; slightly sol in chloroform, benzene, carbon disulfide, acetone.
Melting point: mp 221-222°
Optical Rotation: [a]D +96.3° (CHCl3)
 
Derivative Type: Acetate
Synonyms: Lactucerin; lactucon
Molecular Formula: C32H52O2
Molecular Weight: 468.75
Percent Composition: C 81.99%, H 11.18%, O 6.83%
Properties: Hexagonal plates. mp 251-252° (from ethyl acetate + alcohol). [a]D +100.5°.
Melting point: mp 251-252° (from ethyl acetate + alcohol)
Optical Rotation: [a]D +100.5°