22937-11-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22937-11-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,9,3 and 7 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 22937-11:
(7*2)+(6*2)+(5*9)+(4*3)+(3*7)+(2*1)+(1*1)=107
107 % 10 = 7
So 22937-11-7 is a valid CAS Registry Number.