385806-21-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 385806-21-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,5,8,0 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 385806-21:
(8*3)+(7*8)+(6*5)+(5*8)+(4*0)+(3*6)+(2*2)+(1*1)=173
173 % 10 = 3
So 385806-21-3 is a valid CAS Registry Number.