1021084-69-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1021084-69-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,1,0,8 and 4 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1021084-69:
(9*1)+(8*0)+(7*2)+(6*1)+(5*0)+(4*8)+(3*4)+(2*6)+(1*9)=94
94 % 10 = 4
So 1021084-69-4 is a valid CAS Registry Number.