Fluorameisensaeure-<4-nitro-phenylester>, also known as 4-nitrophenyl acetate, is an organic compound that serves as an ester derivative of acetic acid and 4-nitrophenol. It is characterized by its molecular formula C8H7NO4 and a molar mass of 181.15 g/mol. This chemical is often used as a substrate in enzymatic assays, particularly for the detection and quantification of esterase activity in various biological samples. The compound is known for its yellow crystalline appearance and is sensitive to light, which can lead to decomposition. It is also important to note that 4-nitrophenyl acetate can be hazardous, with potential health risks such as irritation to the eyes, skin, and respiratory system, and it is classified as a hazardous substance due to its potential toxicity.

1644-84-4

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Basic information
1. Product Name: Fluorameisensaeure-<4-nitro-phenylester>
2. Synonyms:
3. CAS NO:1644-84-4
4. Molecular Formula:
5. Molecular Weight: 185.111
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: Fluorameisensaeure-<4-nitro-phenylester>(CAS DataBase Reference)
10. NIST Chemistry Reference: Fluorameisensaeure-<4-nitro-phenylester>(1644-84-4)
11. EPA Substance Registry System: Fluorameisensaeure-<4-nitro-phenylester>(1644-84-4)
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: 1644-84-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1644-84-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,4 and 4 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1644-84:
(6*1)+(5*6)+(4*4)+(3*4)+(2*8)+(1*4)=84
84 % 10 = 4
So 1644-84-4 is a valid CAS Registry Number.

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