1237753-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1237753-99-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,7,7,5 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1237753-99:
(9*1)+(8*2)+(7*3)+(6*7)+(5*7)+(4*5)+(3*3)+(2*9)+(1*9)=179
179 % 10 = 9
So 1237753-99-9 is a valid CAS Registry Number.