97442-50-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97442-50-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,4,4 and 2 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 97442-50:
(7*9)+(6*7)+(5*4)+(4*4)+(3*2)+(2*5)+(1*0)=157
157 % 10 = 7
So 97442-50-7 is a valid CAS Registry Number.