29771-43-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 29771-43-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,7,7 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 29771-43:
(7*2)+(6*9)+(5*7)+(4*7)+(3*1)+(2*4)+(1*3)=145
145 % 10 = 5
So 29771-43-5 is a valid CAS Registry Number.