53771-49-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53771-49-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,7,7 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 53771-49:
(7*5)+(6*3)+(5*7)+(4*7)+(3*1)+(2*4)+(1*9)=136
136 % 10 = 6
So 53771-49-6 is a valid CAS Registry Number.