253170-94-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 253170-94-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,3,1,7 and 0 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 253170-94:
(8*2)+(7*5)+(6*3)+(5*1)+(4*7)+(3*0)+(2*9)+(1*4)=124
124 % 10 = 4
So 253170-94-4 is a valid CAS Registry Number.