166584-42-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 166584-42-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,5,8 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 166584-42:
(8*1)+(7*6)+(6*6)+(5*5)+(4*8)+(3*4)+(2*4)+(1*2)=165
165 % 10 = 5
So 166584-42-5 is a valid CAS Registry Number.
166584-42-5Relevant articles and documents
Catalytic enantioselective synthesis of (14R)-14-hydroxy-4,14-retro-retinol from retinyl acetate
Corey,Noe, Mark C.,Guzman-Perez, Angel
, p. 4171 - 4174 (1995)
A simple and efficient synthesis of the biologically important vitamin A-derived retinoid (14R)-14-hydroxy-4,14-retro-retinol (1) from retinyl acetate in four steps in described.