1396988-90-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1396988-90-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,6,9,8 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1396988-90:
(9*1)+(8*3)+(7*9)+(6*6)+(5*9)+(4*8)+(3*8)+(2*9)+(1*0)=251
251 % 10 = 1
So 1396988-90-1 is a valid CAS Registry Number.