337307-47-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 337307-47-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,7,3,0 and 7 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 337307-47:
(8*3)+(7*3)+(6*7)+(5*3)+(4*0)+(3*7)+(2*4)+(1*7)=138
138 % 10 = 8
So 337307-47-8 is a valid CAS Registry Number.