α-Dichlormethylen-acetessigsaeure-2.4-dinitro-phenylhydrazon, also known as α-Dichloromethylen-acetic acid 2,4-dinitrophenylhydrazone, is a chemical compound with the molecular formula C8H4Cl2N4O4. It is a derivative of α-chloroacetic acid, featuring a dichloromethylene group and a 2,4-dinitrophenylhydrazone moiety. α-Dichlormethylen-acetessigsaeure-2.4-dinitro-phenylhydrazon is primarily used as a reagent in chemical analysis and research, particularly for the detection and determination of aldehydes and ketones. The 2,4-dinitrophenylhydrazone group serves as a chromophore, providing a distinct color change upon reaction with carbonyl compounds, which can be utilized for qualitative and quantitative analysis. Due to its sensitivity and specificity, α-Dichlormethylen-acetessigsaeure-2.4-dinitro-phenylhydrazon is a valuable tool in organic chemistry and related fields.

16668-19-2

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Basic information
1. Product Name: α-Dichlormethylen-acetessigsaeure-2.4-dinitro-phenylhydrazon
2. Synonyms:
3. CAS NO:16668-19-2
4. Molecular Formula:
5. Molecular Weight: 363.114
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-Dichlormethylen-acetessigsaeure-2.4-dinitro-phenylhydrazon(CAS DataBase Reference)
10. NIST Chemistry Reference: α-Dichlormethylen-acetessigsaeure-2.4-dinitro-phenylhydrazon(16668-19-2)
11. EPA Substance Registry System: α-Dichlormethylen-acetessigsaeure-2.4-dinitro-phenylhydrazon(16668-19-2)
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: 16668-19-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 16668-19-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,6,6 and 8 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 16668-19:
(7*1)+(6*6)+(5*6)+(4*6)+(3*8)+(2*1)+(1*9)=132
132 % 10 = 2
So 16668-19-2 is a valid CAS Registry Number.

16668-19-2Upstream product

16668-19-2Downstream Products

5780-62-1 4,4-dichloro-but-3-en-2-one-(2,4-dinitro-phenylhydrazone)

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