157907-48-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157907-48-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,9,0 and 7 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 157907-48:
(8*1)+(7*5)+(6*7)+(5*9)+(4*0)+(3*7)+(2*4)+(1*8)=167
167 % 10 = 7
So 157907-48-7 is a valid CAS Registry Number.