123347-20-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123347-20-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,3,4 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 123347-20:
(8*1)+(7*2)+(6*3)+(5*3)+(4*4)+(3*7)+(2*2)+(1*0)=96
96 % 10 = 6
So 123347-20-6 is a valid CAS Registry Number.
123347-20-6Relevant articles and documents
SYNTHESIS AND REACTIONS OF 3-SUBSTITUTED-2-PHOSPHOMETHYL ACRYLATES
Schoen, William R.,Parsons, William H.
, p. 5201 - 5204 (1988)
3-Substituted-2-phosphomethyl acrylates can be prepared from a variety of phosphorous nucleophiles and aliphatic or aromatic aldehydes via a sequential Michael reaction followed by a Wittig-Horner-type olefination.