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5-[(1-hydroxynaphth-4-yl)azo]salicylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1219720-96-3

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1219720-96-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1219720-96-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,7,2 and 0 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1219720-96:
(9*1)+(8*2)+(7*1)+(6*9)+(5*7)+(4*2)+(3*0)+(2*9)+(1*6)=153
153 % 10 = 3
So 1219720-96-3 is a valid CAS Registry Number.

1219720-96-3Downstream Products

1219720-96-3Relevant academic research and scientific papers

Controlled release of 5-Aminosalicylic acid (5-asa) from new biodegradable polyurethanes

Kenawy, El-Refaie,Al-Deyab, Salem,El-Newehy, Mohamed H.

, p. 2257 - 2268 (2010)

Segmented polyurethanes containing azo aromatic groups in the main chain were synthesized by reaction of 3,3'-azobis(6-hydroxybenzoic acid) (ABHB), 5-[4(hydroxyphenyl)azo] salicylic acid (HPAS), and 5-[1-hydroxynaphthyl)azo] salicylic acid (HNAS) with hex

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