271601-65-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 271601-65-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,1,6,0 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 271601-65:
(8*2)+(7*7)+(6*1)+(5*6)+(4*0)+(3*1)+(2*6)+(1*5)=121
121 % 10 = 1
So 271601-65-1 is a valid CAS Registry Number.