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161935-19-9

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  • Factory Supply 4-[4-amino-5-hydroxy-3-(4-(2-sulfoxyethylsulfonyl)phenylazo)-2,7-disulfonapht-6-ylazo]-6-[3-(4-amino-5-hydroxy-3-(4-(2-sulfoxyethylsulfonyl)phenylazo)-2,7-disulfonapht-6-ylazo]phenylcar

    Cas No: 161935-19-9

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  • 4-AMINO-6-[[5-[[4-[[8-AMINO-1-HYDROXY-3,6-DISULFO-7-[[4-[[2-(SULFOOXY)ETHYL]SULFONYL]PHENYL]AZO]-2-NAPHTHALENYL]AZO]BENZOYL]AMINO]-2-SULFOPHENYL]AZO]-5-HYDROXY-3-[[4-[[2-(SULFOOXY)ETHYL]SULFONYL]PHENY

    Cas No: 161935-19-9

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  • Hangzhou Fandachem Co.,Ltd
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  • 2,7-Naphthalenedisulfonic acid, 4-amino-6-5-4-8-amino-1-hydroxy-3,6-disulfo-7-4-2-(sulfooxy)ethylsulfonylphenylazo-2-naphthalenylazobenzoylamino-2-sulfophenylazo-5-hydroxy-3-4-2-(sulfooxy)ethylsulfony

    Cas No: 161935-19-9

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  • ZHEJIANG JIUZHOU CHEM CO.,LTD
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161935-19-9 Usage

General Description

The chemical "2,7-Naphthalenedisulfonic acid, 4-amino-6-5-4-8-amino-1-hydroxy-3,6-disulfo-7-4-2-(sulfooxy)ethylsulfonylphenylazo-2-naphthalenylazobenzoylamino-2-sulfophenylazo-5-hydroxy-3-4-2-(sulfooxy)ethylsulfonylphenylazo-, sodium salt" is a complex compound with multiple functional groups and a sodium salt form. It contains naphthalene disulfonic acid as the core structure, with various aromatic azo and amino groups attached, as well as sulfonic acid and sulfonyl groups. 2,7-Naphthalenedisulfonic acid, 4-amino-6-5-4-8-amino-1-hydroxy-3,6-disulfo-7-4-2-(sulfooxy)ethylsulfonylphenylazo-2-naphthalenylazobenzoylamino-2-sulfophenylazo-5-hydroxy-3-4-2-(sulfooxy)ethylsulfonylphenylazo-, sodium salt may have applications in the dye and pigment industry, as well as in chemical research and development due to its unique structure and properties.

Check Digit Verification of cas no

The CAS Registry Mumber 161935-19-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,9,3 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 161935-19:
(8*1)+(7*6)+(6*1)+(5*9)+(4*3)+(3*5)+(2*1)+(1*9)=139
139 % 10 = 9
So 161935-19-9 is a valid CAS Registry Number.

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