Home > Alcohols> methyl (1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-5a,5b,8,8,11a-pentamethyl-1-prop-1-en-2-yl-1,2,3,4,5,6,7,7a,9,10,11,11b,12,13,13a,13b-hexadecahydrocyclopenta[a]chrysene-3a-carboxylate

methyl (1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-5a,5b,8,8,11a-pentamethyl-1-prop-1-en-2-yl-1,2,3,4,5,6,7,7a,9,10,11,11b,12,13,13a,13b-hexadecahydrocyclopenta[a]chrysene-3a-carboxylate

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Origin: China

Cas No: 2259-06-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 2259-06-5 Formula: C31H50O3 Molecular Weight: 470.72700

Basic Info

Chemical Name	methyl (1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-5a,5b,8,8,11a-pentamethyl-1-prop-1-en-2-yl-1,2,3,4,5,6,7,7a,9,10,11,11b,12,13,13a,13b-hexadecahydrocyclopenta[a]chrysene-3a-carboxylate
Synonyms	betulinic acid methyl esther; methyl betulinate; methyl 3-hydroxylup-20(29)-en-28-oate; Betulinic acid methyl ester; 28-O-Methylbetulinic Acid;
CAS No.	2259-06-5
Molecular Formula	C31H50O3
Molecular Weight	470.72700
PSA	46.53000
LogP	7.17790

Properties

Density	1.036g/cm3
Boiling Point	523.5ºC at 760mmHg
Melting Point	222-223ºC
Flash Point	189.5ºC
Refractive Index	1.519
Vapor Pressure	3.8E-13mmHg at 25°C

Synthesis Route

methyl O,O-dimethylpyracrenate→3,4-dimethoxycinnamic acid+methyl (1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-hydroxy-5a,5b,8,8,11a-pentamethyl-1-prop-1-en-2-yl-1,2,3,4,5,6,7,7a,9,10,11,11b,12,13,13a,13b-hexadecahydrocyclopenta[a]chrysene-3a-carboxylate

Downstream Product

betulin

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