1575820-69-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1575820-69-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,7,5,8,2 and 0 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1575820-69:
(9*1)+(8*5)+(7*7)+(6*5)+(5*8)+(4*2)+(3*0)+(2*6)+(1*9)=197
197 % 10 = 7
So 1575820-69-7 is a valid CAS Registry Number.