2619-57-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2619-57-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,6,1 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2619-57:
(6*2)+(5*6)+(4*1)+(3*9)+(2*5)+(1*7)=90
90 % 10 = 0
So 2619-57-0 is a valid CAS Registry Number.
InChI:InChI=1/C16H15ClN2O/c1-19-14-8-7-12(17)9-13(14)16(18-10-15(19)20)11-5-3-2-4-6-11/h2-9,16,18H,10H2,1H3