133378-84-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133378-84-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,3,7 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 133378-84:
(8*1)+(7*3)+(6*3)+(5*3)+(4*7)+(3*8)+(2*8)+(1*4)=134
134 % 10 = 4
So 133378-84-4 is a valid CAS Registry Number.