121745-73-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121745-73-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,7,4 and 5 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 121745-73:
(8*1)+(7*2)+(6*1)+(5*7)+(4*4)+(3*5)+(2*7)+(1*3)=111
111 % 10 = 1
So 121745-73-1 is a valid CAS Registry Number.
121745-73-1Relevant articles and documents
A MILD METHOD FOR THE PREPARATION OF FUNCTIONALIZED, UNSYMMETRICAL KETENE ACETALS
Middleton, Donald S.,Simpkins, Nigel S.
, p. 21 - 30 (2007/10/02)
A variety of functionalised β-iodoacetals have been prepared, and their elimination reaction to give ketene acetals conducted under mild conditions.
