1016831-33-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1016831-33-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,6,8,3 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1016831-33:
(9*1)+(8*0)+(7*1)+(6*6)+(5*8)+(4*3)+(3*1)+(2*3)+(1*3)=116
116 % 10 = 6
So 1016831-33-6 is a valid CAS Registry Number.