1378774-23-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1378774-23-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,8,7,7 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1378774-23:
(9*1)+(8*3)+(7*7)+(6*8)+(5*7)+(4*7)+(3*4)+(2*2)+(1*3)=212
212 % 10 = 2
So 1378774-23-2 is a valid CAS Registry Number.