690214-77-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 690214-77-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,0,2,1 and 4 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 690214-77:
(8*6)+(7*9)+(6*0)+(5*2)+(4*1)+(3*4)+(2*7)+(1*7)=158
158 % 10 = 8
So 690214-77-8 is a valid CAS Registry Number.