1378680-15-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1378680-15-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,8,6,8 and 0 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1378680-15:
(9*1)+(8*3)+(7*7)+(6*8)+(5*6)+(4*8)+(3*0)+(2*1)+(1*5)=199
199 % 10 = 9
So 1378680-15-9 is a valid CAS Registry Number.