126216-65-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126216-65-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,2,1 and 6 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 126216-65:
(8*1)+(7*2)+(6*6)+(5*2)+(4*1)+(3*6)+(2*6)+(1*5)=107
107 % 10 = 7
So 126216-65-7 is a valid CAS Registry Number.