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75216-20-5

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75216-20-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75216-20-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,2,1 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 75216-20:
(7*7)+(6*5)+(5*2)+(4*1)+(3*6)+(2*2)+(1*0)=115
115 % 10 = 5
So 75216-20-5 is a valid CAS Registry Number.
InChI:InChI=1/C10F18.C8H11NO2/c11-1-2(12,5(17,18)9(25,26)7(21,22)3(1,13)14)6(19,20)10(27,28)8(23,24)4(1,15)16;9-4-3-6-1-2-7(10)8(11)5-6/h;1-2,5,10-11H,3-4,9H2

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