843669-39-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 843669-39-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,3,6,6 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 843669-39:
(8*8)+(7*4)+(6*3)+(5*6)+(4*6)+(3*9)+(2*3)+(1*9)=206
206 % 10 = 6
So 843669-39-6 is a valid CAS Registry Number.