1257999-48-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1257999-48-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,9,9 and 9 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1257999-48:
(9*1)+(8*2)+(7*5)+(6*7)+(5*9)+(4*9)+(3*9)+(2*4)+(1*8)=226
226 % 10 = 6
So 1257999-48-6 is a valid CAS Registry Number.