6988-63-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6988-63-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,9,8 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 6988-63:
(6*6)+(5*9)+(4*8)+(3*8)+(2*6)+(1*3)=152
152 % 10 = 2
So 6988-63-2 is a valid CAS Registry Number.