2-p-Toluolsulfonyloxy-benzolazocarbonsaeure-ethylester, also known as 2-(p-toluenesulfonyloxy)benzeneazocarbonyl ethyl ester, is a complex organic chemical compound with the molecular formula C16H15NO5S. It is characterized by a benzene ring with an azo group (-N=N-) attached to it, a carbonyl group (C=O), and an ethyl ester group (-COOCH2CH3). The p-toluenesulfonyloxy group is a substituent that includes a toluene ring with a sulfonyl group (-SO2-) attached to the para position. 2-p-Toluolsulfonyloxy-benzolazocarbonsaeure-ethylester is typically used as an intermediate in the synthesis of various dyes and pigments due to its ability to form colored compounds through azo coupling reactions. Its chemical structure and properties make it a valuable component in the production of a wide range of colorants used in industries such as textiles, plastics, and printing inks.
1239-12-9
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Basic information
- Product Name: 2-p-Toluolsulfonyloxy-benzolazocarbonsaeure-ethylester
- Synonyms:
- CAS NO:1239-12-9
- Molecular Formula:
- Molecular Weight: 348.379
- EINECS: N/A
- Product Categories: N/A
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: 2-p-Toluolsulfonyloxy-benzolazocarbonsaeure-ethylester(CAS DataBase Reference)
- NIST Chemistry Reference: 2-p-Toluolsulfonyloxy-benzolazocarbonsaeure-ethylester(1239-12-9)
- EPA Substance Registry System: 2-p-Toluolsulfonyloxy-benzolazocarbonsaeure-ethylester(1239-12-9)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 1239-12-9(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 1239-12-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,3 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.Calculate Digit Verification of CAS Registry Number 1239-12:
(6*1)+(5*2)+(4*3)+(3*9)+(2*1)+(1*2)=59
59 % 10 = 9
So 1239-12-9 is a valid CAS Registry Number.
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1239-12-9Downstream Products
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2-p-Toluolsulfonyloxy-benzolazocarbonsaeure-ethylester
