333770-42-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 333770-42-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,3,7,7 and 0 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 333770-42:
(8*3)+(7*3)+(6*3)+(5*7)+(4*7)+(3*0)+(2*4)+(1*2)=136
136 % 10 = 6
So 333770-42-6 is a valid CAS Registry Number.