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(5Z,7E)-(1R,3R,20S)-1-Methyl-9,10-seco-5,7,10(19)-cholestatriene-1,3,25-triol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

401569-67-3

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401569-67-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 401569-67-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,1,5,6 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 401569-67:
(8*4)+(7*0)+(6*1)+(5*5)+(4*6)+(3*9)+(2*6)+(1*7)=133
133 % 10 = 3
So 401569-67-3 is a valid CAS Registry Number.

401569-67-3Downstream Products

401569-67-3Relevant academic research and scientific papers

1-METHYL-20-EPIVITAMIN D DERIVATIVE

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, (2008/06/13)

The object of the present invention is to synthesize vitamin D derivatives in which the 1-position is substituted with methyl and the steric configuration at the 20-position is epimerized. The present invention provides vitamin D derivatives of Formula (1

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