50643-20-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50643-20-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,6,4 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 50643-20:
(7*5)+(6*0)+(5*6)+(4*4)+(3*3)+(2*2)+(1*0)=94
94 % 10 = 4
So 50643-20-4 is a valid CAS Registry Number.
InChI:InChI=1/C18H39O5P/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-22-17-18-23-24(19,20)21/h2-18H2,1H3,(H2,19,20,21)