1377834-22-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1377834-22-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,7,8,3 and 4 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1377834-22:
(9*1)+(8*3)+(7*7)+(6*7)+(5*8)+(4*3)+(3*4)+(2*2)+(1*2)=194
194 % 10 = 4
So 1377834-22-4 is a valid CAS Registry Number.