142617-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142617-56-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,6,1 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 142617-56:
(8*1)+(7*4)+(6*2)+(5*6)+(4*1)+(3*7)+(2*5)+(1*6)=119
119 % 10 = 9
So 142617-56-9 is a valid CAS Registry Number.
InChI:InChI=1/3C5H2F6O2.Bi/c3*6-4(7,8)2(12)1-3(13)5(9,10)11;/h3*1,12H;/q;;;+3/p-3/b2*2-1+;2-1-;