Cas 74559-71-0,(5aR,7aR,11aR,11bS,13aR,13bR)-3-Isopropyl-5a,7a,10,10,11b,13b-hexamethyl-2,4,5,5a,7,7a,8,9,10,11,11a,11b,12,13,13a,13b-hexadecahydro-1H-cyclopenta[a]chrysene

74559-71-0

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Basic information

Product Name: (5aR,7aR,11aR,11bS,13aR,13bR)-3-Isopropyl-5a,7a,10,10,11b,13b-hexamethyl-2,4,5,5a,7,7a,8,9,10,11,11a,11b,12,13,13a,13b-hexadecahydro-1H-cyclopenta[a]chrysene
Synonyms: (5aR,7aR,11aR,11bS,13aR,13bR)-3-Isopropyl-5a,7a,10,10,11b,13b-hexamethyl-2,4,5,5a,7,7a,8,9,10,11,11a,11b,12,13,13a,13b-hexadecahydro-1H-cyclopenta[a]chrysene
CAS NO:74559-71-0
Molecular Formula:
Molecular Weight: 408.711
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: (5aR,7aR,11aR,11bS,13aR,13bR)-3-Isopropyl-5a,7a,10,10,11b,13b-hexamethyl-2,4,5,5a,7,7a,8,9,10,11,11a,11b,12,13,13a,13b-hexadecahydro-1H-cyclopenta[a]chrysene(CAS DataBase Reference)
NIST Chemistry Reference: (5aR,7aR,11aR,11bS,13aR,13bR)-3-Isopropyl-5a,7a,10,10,11b,13b-hexamethyl-2,4,5,5a,7,7a,8,9,10,11,11a,11b,12,13,13a,13b-hexadecahydro-1H-cyclopenta[a]chrysene(74559-71-0)
EPA Substance Registry System: (5aR,7aR,11aR,11bS,13aR,13bR)-3-Isopropyl-5a,7a,10,10,11b,13b-hexamethyl-2,4,5,5a,7,7a,8,9,10,11,11a,11b,12,13,13a,13b-hexadecahydro-1H-cyclopenta[a]chrysene(74559-71-0)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 74559-71-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 74559-71-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,5,5 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74559-71:
(7*7)+(6*4)+(5*5)+(4*5)+(3*9)+(2*7)+(1*1)=160
160 % 10 = 0
So 74559-71-0 is a valid CAS Registry Number.

74559-71-0Upstream product

2189-80-2 taraxeryl acetate

74559-71-0Downstream Products

74559-71-0Relevant academic research and scientific papers

Reactions of Some Triterpenes with Mercuric Acetate : An Unusual Reaction with Taraxeryl Acetate

Dasgupta, Asok,Goswami, A.,Ray, T. K.,Nath, A.,Khastgir, H. N.

, p. 165 - 168 (2007/10/02)

Reaction of mercuric acetate on three triterpenes has been studied.Both β- and α-amyrin acetates (I and II) undergo the expected oxidation to give α,β-unsaturated ketones (V) and (VI) respectively.Taraxeryl acetate (IIIb) undergoes elimination of acetoxy group with concomitant ring closure giving the hydrocarbon (IX).Retro-pinacol rearrangement of taraxerol (IIIa) affords the hydrocarbon (XVI).XVI has been isomerised into the thermodynamically more stable system (IX).A possible mechanism of formation of IX from IIIb is proposed.

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