157762-19-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157762-19-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,7,6 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 157762-19:
(8*1)+(7*5)+(6*7)+(5*7)+(4*6)+(3*2)+(2*1)+(1*9)=161
161 % 10 = 1
So 157762-19-1 is a valid CAS Registry Number.