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63780-65-4

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63780-65-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 63780-65-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,7,8 and 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 63780-65:
(7*6)+(6*3)+(5*7)+(4*8)+(3*0)+(2*6)+(1*5)=144
144 % 10 = 4
So 63780-65-4 is a valid CAS Registry Number.

63780-65-4Downstream Products

63780-65-4Relevant academic research and scientific papers

Stereoselective construction of steroidal side chain from 16-dehydropregnenolone acetate

Aher, Nilkanth G.,Gonnade, Rajesh G.,Pore, Vandana S.

, p. 2005 - 2009 (2009)

Stereoselective construction of steroidal side chain at C-20 having 'natural' configuration using 16-dehydropregnalone acetate (16-DPA) as a starting material has been carried out. Palladiumcatalyzed carbon-carbon bond-forming Heck reaction between C-20 vinyl iodide with methyl acrylate and transfer hydrogenation with triethylsilane and Pd/C are the key steps for stereoselective sidechain synthesis. Georg Thieme Verlag Stuttgart.

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