277333-41-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 277333-41-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,7,3,3 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 277333-41:
(8*2)+(7*7)+(6*7)+(5*3)+(4*3)+(3*3)+(2*4)+(1*1)=152
152 % 10 = 2
So 277333-41-2 is a valid CAS Registry Number.