1396998-68-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1396998-68-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,6,9,9 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1396998-68:
(9*1)+(8*3)+(7*9)+(6*6)+(5*9)+(4*9)+(3*8)+(2*6)+(1*8)=257
257 % 10 = 7
So 1396998-68-7 is a valid CAS Registry Number.