158583-92-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158583-92-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,5,8 and 3 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 158583-92:
(8*1)+(7*5)+(6*8)+(5*5)+(4*8)+(3*3)+(2*9)+(1*2)=177
177 % 10 = 7
So 158583-92-7 is a valid CAS Registry Number.