201355-05-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201355-05-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,3,5 and 5 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 201355-05:
(8*2)+(7*0)+(6*1)+(5*3)+(4*5)+(3*5)+(2*0)+(1*5)=77
77 % 10 = 7
So 201355-05-7 is a valid CAS Registry Number.