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6409-87-6

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  • 1,5-Naphthalenedisulfonicacid,3-[2-[4-[2-[4-[2-[8-[2-(2,4-diamino-5-nitrophenyl)diazenyl]-1-hydroxy-5-sulfo-2-naphthalenyl]diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-1-naphthalenyl]diazenyl]-,sodium s

    Cas No: 6409-87-6

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6409-87-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6409-87-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,0 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6409-87:
(6*6)+(5*4)+(4*0)+(3*9)+(2*8)+(1*7)=106
106 % 10 = 6
So 6409-87-6 is a valid CAS Registry Number.

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