3309-71-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3309-71-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,3,0 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3309-71:
(6*3)+(5*3)+(4*0)+(3*9)+(2*7)+(1*1)=75
75 % 10 = 5
So 3309-71-5 is a valid CAS Registry Number.
InChI:InChI=1/C11H17O4PS2/c1-4-14-16(3,17)15-10-6-8-11(9-7-10)18(12,13)5-2/h6-9H,4-5H2,1-3H3