153021-75-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 153021-75-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,0,2 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 153021-75:
(8*1)+(7*5)+(6*3)+(5*0)+(4*2)+(3*1)+(2*7)+(1*5)=91
91 % 10 = 1
So 153021-75-1 is a valid CAS Registry Number.