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Acetic acid (3S,8R,9S,10R,13S,14S,16R,17S)-16-(benzoylamino-methyl)-17-hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77873-58-6

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77873-58-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77873-58-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,7 and 3 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77873-58:
(7*7)+(6*7)+(5*8)+(4*7)+(3*3)+(2*5)+(1*8)=186
186 % 10 = 6
So 77873-58-6 is a valid CAS Registry Number.

77873-58-6Upstream product

77873-58-6Relevant academic research and scientific papers

RING EXPANSION OF STEROID OXETHANS INTO DIHYDROOXAZINES

Schneider, Gyula,Hackler, Laszlo,Sohar, Pal

, p. 341 - 344 (1981)

In the case of oxethans condensed in an appropriate steric position to the sterane skeleton, the formation of six-membered dihydrooxazines has been observed with aliphatic or aromatic acid nitriles in the presence of Lewis acids, involving thus ring expansion.

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