688756-93-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 688756-93-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,8,7,5 and 6 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 688756-93:
(8*6)+(7*8)+(6*8)+(5*7)+(4*5)+(3*6)+(2*9)+(1*3)=246
246 % 10 = 6
So 688756-93-6 is a valid CAS Registry Number.