158773-38-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158773-38-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,7,7 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 158773-38:
(8*1)+(7*5)+(6*8)+(5*7)+(4*7)+(3*3)+(2*3)+(1*8)=177
177 % 10 = 7
So 158773-38-7 is a valid CAS Registry Number.