CAS No 638-95-9 , alpha-Amyrin Search by region : Germany

Name: alpha-Amyrin
Synonyms: alpha-Amyrin;Urs-12-en-3beta-ol; Viminalol;
CAS Registry Number:638-95-9
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:

Related products

Select to

          
           638-95-9 0555.30-10MG ALPHA-AMYRINE
           
             Campro Scientific GmbH
             
              [Manufacturer]
Tel:  +49.(0)30.629.01.89.0 (Germany)/ +31.(0)318.529.437 (Netherlands)
Fax:  +49.(0)30.629.01.89.89 
+31.(0)318.542.181
Address: Campro Scientific GmbH
Postfach 36 20 65
D-10972 Berlin 
Germany
Tel. +49.(0)30.629.01.89.0
Fax +49.(0)30.629.01.89.89
info@campro.eu null,nullGermany

           638-95-9 Delta-Amyrin
           Delta-Amyrin
 
             ABCR GmbH & Co KG
             
              [Manufacturer]
Tel:  +49 721 95061-0
Fax:  +49 721 95061-80
Address: Im Schlehert 10 
76187 Karlsruhe 
Germany null,nullGermany

           638-95-9 alpha-Amyrin
           alpha-Amyrin
 
             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

Select to

1/1

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)