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5-[[4-Chloro-6-[(4-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[(2-sulfophenyl)azo]-2,7-naphthalenedisulfonic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91023-88-0

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91023-88-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91023-88-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,0,2 and 3 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 91023-88:
(7*9)+(6*1)+(5*0)+(4*2)+(3*3)+(2*8)+(1*8)=110
110 % 10 = 0
So 91023-88-0 is a valid CAS Registry Number.

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