ω-Nitroacetophenon-dibutylacetal, also known as 4-nitroacetophenone dibutyl acetal, is an organic compound with the chemical formula C14H19NO3. It is a yellow crystalline solid that is derived from 4-nitroacetophenone, where the carbonyl group is protected by two butyl groups in the form of an acetal. ω-Nitroacetophenon-dibutylacetal is used as a chemical intermediate in the synthesis of various pharmaceuticals and agrochemicals, particularly in the preparation of nitroaromatic compounds. The dibutyl acetal group serves to protect the carbonyl functionality, allowing for further reactions to be carried out on the nitro group without affecting the ketone. Upon completion of the desired reactions, the protecting group can be removed to regenerate the parent ketone.

27245-16-5

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Basic information
1. Product Name: ω-Nitroacetophenon-dibutylacetal
2. Synonyms:
3. CAS NO:27245-16-5
4. Molecular Formula:
5. Molecular Weight: 295.379
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: ω-Nitroacetophenon-dibutylacetal(CAS DataBase Reference)
10. NIST Chemistry Reference: ω-Nitroacetophenon-dibutylacetal(27245-16-5)
11. EPA Substance Registry System: ω-Nitroacetophenon-dibutylacetal(27245-16-5)
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: 27245-16-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 27245-16-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,2,4 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 27245-16:
(7*2)+(6*7)+(5*2)+(4*4)+(3*5)+(2*1)+(1*6)=105
105 % 10 = 5
So 27245-16-5 is a valid CAS Registry Number.

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