229638-73-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 229638-73-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,9,6,3 and 8 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 229638-73:
(8*2)+(7*2)+(6*9)+(5*6)+(4*3)+(3*8)+(2*7)+(1*3)=167
167 % 10 = 7
So 229638-73-7 is a valid CAS Registry Number.