183857-79-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 183857-79-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,8,5 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 183857-79:
(8*1)+(7*8)+(6*3)+(5*8)+(4*5)+(3*7)+(2*7)+(1*9)=186
186 % 10 = 6
So 183857-79-6 is a valid CAS Registry Number.