158669-93-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158669-93-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,6,6 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 158669-93:
(8*1)+(7*5)+(6*8)+(5*6)+(4*6)+(3*9)+(2*9)+(1*3)=193
193 % 10 = 3
So 158669-93-3 is a valid CAS Registry Number.