2197-50-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2197-50-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,9 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 2197-50:
(6*2)+(5*1)+(4*9)+(3*7)+(2*5)+(1*0)=84
84 % 10 = 4
So 2197-50-4 is a valid CAS Registry Number.
InChI:InChI=1/C18H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h10-11,13-14H,2-9,12,15-17H2,1H3,(H,19,20)/b11-10+,14-13+