74685-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74685-05-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,8 and 5 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 74685-05:
(7*7)+(6*4)+(5*6)+(4*8)+(3*5)+(2*0)+(1*5)=155
155 % 10 = 5
So 74685-05-5 is a valid CAS Registry Number.
74685-05-5Relevant articles and documents
A Direct Synthesis of Z-Trisubstituted Allylic Alcohols via the Wittig Reaction
Sreekumar, C.,Darst, Kevin P.,Still, W. Clark
, p. 4260 - 4262 (2007/10/02)
The lithium-free modification of the Wittig reaction of unstabilized ylides and acyclic α-alkoxy ketones leads to protected trisubstituted allylic alcohols with high stereoselectivity for the Z isomer.
