331650-89-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 331650-89-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,1,6,5 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 331650-89:
(8*3)+(7*3)+(6*1)+(5*6)+(4*5)+(3*0)+(2*8)+(1*9)=126
126 % 10 = 6
So 331650-89-6 is a valid CAS Registry Number.