102902-84-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102902-84-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,9,0 and 2 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 102902-84:
(8*1)+(7*0)+(6*2)+(5*9)+(4*0)+(3*2)+(2*8)+(1*4)=91
91 % 10 = 1
So 102902-84-1 is a valid CAS Registry Number.