α-p-Tolylazobenzylidenamino-oxyessigsaeure, also known as α-p-tolylazobenzylideneaniline-oxyacetic acid, is a complex organic compound with the chemical formula C20H17N3O3. It is characterized by a benzylidene group (a carbon-carbon double bond between a benzene ring and a methylene group), an azo group (a diazenyl group -N=N-), and an oxyacetic acid moiety. α-p-Tolylazobenzylidenamino-oxyessigsaeure is derived from the condensation of α-p-tolylazobenzylideneaniline with hydroxylamine and subsequent oxidation. It is used as a reagent in chemical analysis, particularly for the detection and determination of certain metal ions, such as copper and nickel, due to its ability to form colored complexes with these ions. The compound's structure and properties make it a valuable tool in analytical chemistry for the qualitative and quantitative analysis of metal ion concentrations in various samples.

71255-44-2

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Basic information
1. Product Name: α-p-Tolylazobenzylidenamino-oxyessigsaeure
2. Synonyms:
3. CAS NO:71255-44-2
4. Molecular Formula:
5. Molecular Weight: 297.313
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: α-p-Tolylazobenzylidenamino-oxyessigsaeure(CAS DataBase Reference)
10. NIST Chemistry Reference: α-p-Tolylazobenzylidenamino-oxyessigsaeure(71255-44-2)
11. EPA Substance Registry System: α-p-Tolylazobenzylidenamino-oxyessigsaeure(71255-44-2)
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: 71255-44-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 71255-44-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,2,5 and 5 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 71255-44:
(7*7)+(6*1)+(5*2)+(4*5)+(3*5)+(2*4)+(1*4)=112
112 % 10 = 2
So 71255-44-2 is a valid CAS Registry Number.

71255-44-2Upstream product

71255-44-2Downstream Products

71255-49-7 C₂₀H₂₃N₃O₄

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