Cas 220064-08-4,(8R,9S,13S,14S,17R)-3-Benzyloxy-13-methyl-17-[4-(pyrrolidin-1-ylazo)-phenyl]-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol

220064-08-4

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Product Name: (8R,9S,13S,14S,17R)-3-Benzyloxy-13-methyl-17-[4-(pyrrolidin-1-ylazo)-phenyl]-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol
Synonyms: (8R,9S,13S,14S,17R)-3-Benzyloxy-13-methyl-17-[4-(pyrrolidin-1-ylazo)-phenyl]-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol
CAS NO:220064-08-4
Molecular Formula:
Molecular Weight: 535.729
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: (8R,9S,13S,14S,17R)-3-Benzyloxy-13-methyl-17-[4-(pyrrolidin-1-ylazo)-phenyl]-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol(CAS DataBase Reference)
NIST Chemistry Reference: (8R,9S,13S,14S,17R)-3-Benzyloxy-13-methyl-17-[4-(pyrrolidin-1-ylazo)-phenyl]-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol(220064-08-4)
EPA Substance Registry System: (8R,9S,13S,14S,17R)-3-Benzyloxy-13-methyl-17-[4-(pyrrolidin-1-ylazo)-phenyl]-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol(220064-08-4)

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RTECS:
HazardClass: N/A
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Hazardous Substances Data: 220064-08-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 220064-08-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,0,6 and 4 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 220064-08:
(8*2)+(7*2)+(6*0)+(5*0)+(4*6)+(3*4)+(2*0)+(1*8)=74
74 % 10 = 4
So 220064-08-4 is a valid CAS Registry Number.

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220064-08-4Relevant academic research and scientific papers

Synthesis of 17α-4-amino- and 4-iodophenylestradiols

Foy,Stephan,Jaouen

, p. 8089 - 8092 (2000)

17α-(4-aminophenyl) estradiol 4 was prepared in three steps starting from commercial estrone. The key step is the addition of aryllithium 2 to the carbonyl at C17 on a protected estrone, which is only possible by activation. The adduct 3b can be transform

Boron trifluoride promoted addition of aryllithiums to estrone benzyl ether

Stephan, Elie,Affergan, Thierry,Weber, Philippe,Jaouen, Gerard

, p. 9427 - 9430 (1998)

aryllithiums did not condense with estrone benzyl ether at low temperature. The promoted addition with boron trifluoride etherate was the best method for preparing substituted 17α-arylestradiols.

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