2170-50-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2170-50-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,7 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 2170-50:
(6*2)+(5*1)+(4*7)+(3*0)+(2*5)+(1*0)=55
55 % 10 = 5
So 2170-50-5 is a valid CAS Registry Number.
InChI:InChI=1/C18H21NO3/c1-2-7-15(8-3-1)20-12-6-11-19-13-16-14-21-17-9-4-5-10-18(17)22-16/h1-5,7-10,16,19H,6,11-14H2