156341-52-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156341-52-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,3,4 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 156341-52:
(8*1)+(7*5)+(6*6)+(5*3)+(4*4)+(3*1)+(2*5)+(1*2)=125
125 % 10 = 5
So 156341-52-5 is a valid CAS Registry Number.