1505-33-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1505-33-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,0 and 5 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1505-33:
(6*1)+(5*5)+(4*0)+(3*5)+(2*3)+(1*3)=55
55 % 10 = 5
So 1505-33-5 is a valid CAS Registry Number.
InChI:InChI=1/C18H27NO2/c1-5-9-18(10-11-19(4)13-18)15-7-6-8-16(12-15)21-17(20)14(2)3/h6-8,12,14H,5,9-11,13H2,1-4H3