41771-56-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 41771-56-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,7,7 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 41771-56:
(7*4)+(6*1)+(5*7)+(4*7)+(3*1)+(2*5)+(1*6)=116
116 % 10 = 6
So 41771-56-6 is a valid CAS Registry Number.