102831-59-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102831-59-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,8,3 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 102831-59:
(8*1)+(7*0)+(6*2)+(5*8)+(4*3)+(3*1)+(2*5)+(1*9)=94
94 % 10 = 4
So 102831-59-4 is a valid CAS Registry Number.