156733-05-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156733-05-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,7,3 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 156733-05:
(8*1)+(7*5)+(6*6)+(5*7)+(4*3)+(3*3)+(2*0)+(1*5)=140
140 % 10 = 0
So 156733-05-0 is a valid CAS Registry Number.