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13083-09-5

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

    Cas No: 13083-09-5

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

    Cas No: 13083-09-5

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13083-09-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13083-09-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,0,8 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 13083-09:
(7*1)+(6*3)+(5*0)+(4*8)+(3*3)+(2*0)+(1*9)=75
75 % 10 = 5
So 13083-09-5 is a valid CAS Registry Number.
InChI:InChI=1/C30H20N4O16S5.5Na/c35-30-28(55(48,49)50)12-16-10-18(52(39,40)41)2-5-22(16)29(30)34-32-25-7-8-26(24-13-19(53(42,43)44)3-6-23(24)25)31-33-27-14-20(54(45,46)47)11-15-9-17(51(36,37)38)1-4-21(15)27;;;;;/h1-14,32H,(H,36,37,38)(H,39,40,41)(H,42,43,44)(H,45,46,47)(H,48,49,50);;;;;/q;5*+1/p-5/b33-31+,34-29-;;;;;

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