3338-65-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3338-65-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,3,3 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 3338-65:
(6*3)+(5*3)+(4*3)+(3*8)+(2*6)+(1*5)=86
86 % 10 = 6
So 3338-65-6 is a valid CAS Registry Number.