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2-Naphthalenesulfonic acid, 6-amino-3-[[4-[[4-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, diazotized, coupled with 2,4-diaminobenzenesulfonic acid and m-phenylenediamine, sodium salts is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

90459-18-0

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90459-18-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90459-18-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,5 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 90459-18:
(7*9)+(6*0)+(5*4)+(4*5)+(3*9)+(2*1)+(1*8)=140
140 % 10 = 0
So 90459-18-0 is a valid CAS Registry Number.

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