4-Benzolazo-phenacetyl-malonsaeure-diethylester, also known as 4-benzylazophthalide malonic acid diethyl ester, is a chemical compound with the molecular formula C21H21N3O5. It is a derivative of malonic acid, featuring a benzylazophthalide group attached to the malonic acid structure. <4-Benzolazo-phenacetyl>-malonsaeure-diethylester is often used in the synthesis of various dyes and pigments due to its ability to form colored compounds. It is a white crystalline solid that is soluble in organic solvents. The compound is synthesized through a series of chemical reactions, typically involving the condensation of malonic acid with the appropriate benzylazophthalide derivative. It is an important intermediate in the production of certain azo dyes, which are widely used in the textile, plastics, and printing industries for their colorfast properties.
3516-74-3
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Basic information
- Product Name: <4-Benzolazo-phenacetyl>-malonsaeure-diethylester
- Synonyms:
- CAS NO:3516-74-3
- Molecular Formula:
- Molecular Weight: 382.416
- 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: <4-Benzolazo-phenacetyl>-malonsaeure-diethylester(CAS DataBase Reference)
- NIST Chemistry Reference: <4-Benzolazo-phenacetyl>-malonsaeure-diethylester(3516-74-3)
- EPA Substance Registry System: <4-Benzolazo-phenacetyl>-malonsaeure-diethylester(3516-74-3)
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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: 3516-74-3(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 3516-74-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,1 and 6 respectively; the second part has 2 digits, 7 and 4 respectively.Calculate Digit Verification of CAS Registry Number 3516-74:
(6*3)+(5*5)+(4*1)+(3*6)+(2*7)+(1*4)=83
83 % 10 = 3
So 3516-74-3 is a valid CAS Registry Number.
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<4-Benzolazo-phenacetyl>-malonsaeure-diethylester
