1378821-70-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1378821-70-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,8,8,2 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1378821-70:
(9*1)+(8*3)+(7*7)+(6*8)+(5*8)+(4*2)+(3*1)+(2*7)+(1*0)=195
195 % 10 = 5
So 1378821-70-5 is a valid CAS Registry Number.