p-Nitrophenyl tert-butyloxyacetate (PNPA) is a chemical compound with the molecular formula C11H13NO6. It is a colorless crystalline solid that is soluble in organic solvents such as ethanol and acetone. PNPA is commonly used as a substrate in enzymatic assays, particularly for the detection and quantification of esterase and lipase enzymes. The compound is hydrolyzed by these enzymes, releasing p-nitrophenol, which can be easily detected and measured due to its yellow color and absorbance at 405 nm. This makes PNPA a valuable tool in research and diagnostics, allowing for the assessment of enzyme activity and inhibition, as well as in the development of new drugs targeting these enzymes.

6377-28-2

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Basic information
1. Product Name: p-nitrophenyl tert-butyloxyacetate
2. Synonyms:
3. CAS NO:6377-28-2
4. Molecular Formula:
5. Molecular Weight: 253.255
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: p-nitrophenyl tert-butyloxyacetate(CAS DataBase Reference)
10. NIST Chemistry Reference: p-nitrophenyl tert-butyloxyacetate(6377-28-2)
11. EPA Substance Registry System: p-nitrophenyl tert-butyloxyacetate(6377-28-2)
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: 6377-28-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 6377-28-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,3,7 and 7 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 6377-28:
(6*6)+(5*3)+(4*7)+(3*7)+(2*2)+(1*8)=112
112 % 10 = 2
So 6377-28-2 is a valid CAS Registry Number.

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