378778-71-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 378778-71-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,8,7,7 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 378778-71:
(8*3)+(7*7)+(6*8)+(5*7)+(4*7)+(3*8)+(2*7)+(1*1)=223
223 % 10 = 3
So 378778-71-3 is a valid CAS Registry Number.