102973-86-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102973-86-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,9,7 and 3 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 102973-86:
(8*1)+(7*0)+(6*2)+(5*9)+(4*7)+(3*3)+(2*8)+(1*6)=124
124 % 10 = 4
So 102973-86-4 is a valid CAS Registry Number.