838843-95-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 838843-95-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,3,8,8,4 and 3 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 838843-95:
(8*8)+(7*3)+(6*8)+(5*8)+(4*4)+(3*3)+(2*9)+(1*5)=221
221 % 10 = 1
So 838843-95-1 is a valid CAS Registry Number.