1029715-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1029715-16-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,9,7,1 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1029715-16:
(9*1)+(8*0)+(7*2)+(6*9)+(5*7)+(4*1)+(3*5)+(2*1)+(1*6)=139
139 % 10 = 9
So 1029715-16-9 is a valid CAS Registry Number.