143722-92-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143722-92-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,7,2 and 2 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 143722-92:
(8*1)+(7*4)+(6*3)+(5*7)+(4*2)+(3*2)+(2*9)+(1*2)=123
123 % 10 = 3
So 143722-92-3 is a valid CAS Registry Number.
143722-92-3Relevant articles and documents
E/Z isomerism of some diformamides
Petride, Horia,Drǎghici, Constantin,Florea, Cristina,Maganu, Maria,Udrea, Silvia
, p. 413 - 423 (2007/10/03)
N,N′-Diformylethylenediamine derivatives of the general formula R1-N(CHO)-CH2CH2-N(CHO)-R2 [R 1=R2=benzyl (1); R1=benzyl, R2=H (2); R1=benzyl, R2