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72749-84-9

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  • 2,7-Naphthalenedisulfonicacid,5-(benzoylamino)-3-[2-[4-[2-[4-(benzoylamino)-2-sulfophenyl]diazenyl]-2-ethoxy-6-sulfo-1-naphthalenyl]diazenyl]-4-hydroxy-,sodium salt (1:4)

    Cas No: 72749-84-9

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  • 2,7-Naphthalenedisulfonicacid,5-(benzoylamino)-3-[2-[4-[2-[4-(benzoylamino)-2-sulfophenyl]diazenyl]-2-ethoxy-6-sulfo-1-naphthalenyl]diazenyl]-4-hydroxy-,sodium salt (1:4)

    Cas No: 72749-84-9

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72749-84-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72749-84-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,7,4 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 72749-84:
(7*7)+(6*2)+(5*7)+(4*4)+(3*9)+(2*8)+(1*4)=159
159 % 10 = 9
So 72749-84-9 is a valid CAS Registry Number.
InChI:InChI=1/C42H32N6O16S4.4Na/c1-2-64-34-22-32(46-45-31-16-13-26(19-35(31)67(58,59)60)43-41(50)23-9-5-3-6-10-23)30-20-27(65(52,53)54)14-15-29(30)38(34)47-48-39-36(68(61,62)63)18-25-17-28(66(55,56)57)21-33(37(25)40(39)49)44-42(51)24-11-7-4-8-12-24;;;;/h3-22,47H,2H2,1H3,(H,43,50)(H,44,51)(H,52,53,54)(H,55,56,57)(H,58,59,60)(H,61,62,63);;;;/q;4*+1/p-4/b46-45+,48-39+;;;;

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