102946-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102946-57-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,9,4 and 6 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 102946-57:
(8*1)+(7*0)+(6*2)+(5*9)+(4*4)+(3*6)+(2*5)+(1*7)=116
116 % 10 = 6
So 102946-57-6 is a valid CAS Registry Number.