2-Methyl-4-(2-nitro-phenylazo)-phenol is an organic compound characterized by its molecular formula C13H11N3O3. This azo compound is formed by the coupling of 2-nitrophenol and 4-methylphenol, resulting in a yellow crystalline solid. It is commonly used as a chemical intermediate in the synthesis of various dyes and pigments, particularly those with yellow hues. The compound's structure features a phenol group with a methyl group at the 2-position and a nitro group at the 2-position of the phenyl ring that is azo-linked to another phenyl ring. Due to the presence of the nitro group, it may exhibit explosive properties and requires careful handling. Its applications extend beyond dyes to include use in the production of certain pharmaceuticals and as a reagent in analytical chemistry.

2724-86-9

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Basic information
1. Product Name: 2-Methyl-4-(2-nitro-phenylazo)-phenol
2. Synonyms:
3. CAS NO:2724-86-9
4. Molecular Formula:
5. Molecular Weight: 257.249
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 2-Methyl-4-(2-nitro-phenylazo)-phenol(CAS DataBase Reference)
10. NIST Chemistry Reference: 2-Methyl-4-(2-nitro-phenylazo)-phenol(2724-86-9)
11. EPA Substance Registry System: 2-Methyl-4-(2-nitro-phenylazo)-phenol(2724-86-9)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 2724-86-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 2724-86-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,2 and 4 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 2724-86:
(6*2)+(5*7)+(4*2)+(3*4)+(2*8)+(1*6)=89
89 % 10 = 9
So 2724-86-9 is a valid CAS Registry Number.

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