40438-24-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40438-24-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,4,3 and 8 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 40438-24:
(7*4)+(6*0)+(5*4)+(4*3)+(3*8)+(2*2)+(1*4)=92
92 % 10 = 2
So 40438-24-2 is a valid CAS Registry Number.
40438-24-2Relevant articles and documents
A convenient synthesis of triphenylphosphine acylimides using N-lithiated triphenylphosphine imide
Cristau,Manginot,Torreilles
, p. 382 - 384 (1991)
A series of triphenylphosphine acylimides and N-(triphenylphosphoranylidene)carbamates have been readily prepared by direct acylation of the N-lithiated triphenylphosphine imide.