1696396-77-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1696396-77-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,9,6,3,9 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1696396-77:
(9*1)+(8*6)+(7*9)+(6*6)+(5*3)+(4*9)+(3*6)+(2*7)+(1*7)=246
246 % 10 = 6
So 1696396-77-6 is a valid CAS Registry Number.