Cas 123746-55-4,(8R,9S,13S,14S,17S)-3,17-bis(methoxymethoxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-4-carbaldehyde

123746-55-4

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Basic information

Product Name: (8R,9S,13S,14S,17S)-3,17-bis(methoxymethoxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-4-carbaldehyde
Synonyms:
CAS NO:123746-55-4
Molecular Formula:
Molecular Weight: 388.504
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,17S)-3,17-bis(methoxymethoxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-4-carbaldehyde(CAS DataBase Reference)
NIST Chemistry Reference: (8R,9S,13S,14S,17S)-3,17-bis(methoxymethoxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-4-carbaldehyde(123746-55-4)
EPA Substance Registry System: (8R,9S,13S,14S,17S)-3,17-bis(methoxymethoxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-4-carbaldehyde(123746-55-4)

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: 123746-55-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 123746-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,7,4 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 123746-55:
(8*1)+(7*2)+(6*3)+(5*7)+(4*4)+(3*6)+(2*5)+(1*5)=124
124 % 10 = 4
So 123746-55-4 is a valid CAS Registry Number.

123746-55-4Upstream product

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123746-55-4Relevant academic research and scientific papers

Ortho-Formylation of estrogens. Synthesis of the anti-cancer agent 2-methoxyestradiol

Akselsen, ?yvind W.,Hansen, Trond Vidar

, p. 7738 - 7742 (2011)

Several estrogens were mono-formylated using a mixture of paraformaldehyde, MgCl2, and Et3N in refluxing THF. In all cases, the 2-isomer was formed as the major product with high regioselectivity compared to the 4-isomer. Excellent to high yields were obtained in all examples except one. The method was applied for an efficient synthesis of the anti-cancer agent 2-methoxyestradiol.

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