157426-98-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157426-98-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,4,2 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 157426-98:
(8*1)+(7*5)+(6*7)+(5*4)+(4*2)+(3*6)+(2*9)+(1*8)=157
157 % 10 = 7
So 157426-98-7 is a valid CAS Registry Number.