1377861-19-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1377861-19-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,7,8,6 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1377861-19:
(9*1)+(8*3)+(7*7)+(6*7)+(5*8)+(4*6)+(3*1)+(2*1)+(1*9)=202
202 % 10 = 2
So 1377861-19-2 is a valid CAS Registry Number.