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68109-91-1

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68109-91-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 68109-91-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,1,0 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 68109-91:
(7*6)+(6*8)+(5*1)+(4*0)+(3*9)+(2*9)+(1*1)=141
141 % 10 = 1
So 68109-91-1 is a valid CAS Registry Number.
InChI:InChI=1/C14H8BrNO8S2.2K/c15-6-4-8(26(22,23)24)12(16)11-10(6)13(17)5-2-1-3-7(25(19,20)21)9(5)14(11)18;;/h1-4H,16H2,(H,19,20,21)(H,22,23,24);;/q;2*+1/p-2

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