33769-71-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33769-71-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,7,6 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 33769-71:
(7*3)+(6*3)+(5*7)+(4*6)+(3*9)+(2*7)+(1*1)=140
140 % 10 = 0
So 33769-71-0 is a valid CAS Registry Number.