1558041-06-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1558041-06-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,5,8,0,4 and 1 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1558041-06:
(9*1)+(8*5)+(7*5)+(6*8)+(5*0)+(4*4)+(3*1)+(2*0)+(1*6)=157
157 % 10 = 7
So 1558041-06-7 is a valid CAS Registry Number.