102653-71-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102653-71-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,6,5 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 102653-71:
(8*1)+(7*0)+(6*2)+(5*6)+(4*5)+(3*3)+(2*7)+(1*1)=94
94 % 10 = 4
So 102653-71-4 is a valid CAS Registry Number.