4-Carboxypyrazole

[Description]:

[Related Catalog]:

[Target]

[ Density]:
1.5±0.1 g/cm3

[ Boiling Point ]:
417.1±18.0 °C at 760 mmHg

[ Melting Point ]:
282 °C (dec.)(lit.)

[ Molecular Formula ]:
C₄H₄N₂O₂

[ Molecular Weight ]:
112.087

[ Flash Point ]:
206.1±21.2 °C

[ Exact Mass ]:
112.027275

[ PSA ]:
65.98000

[ LogP ]:
0.41

[ Vapour Pressure ]:
0.0±1.0 mmHg at 25°C

[ Index of Refraction ]:
1.617

Click to get detail MSDS

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi:Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S37/39

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ HS Code ]:
2933199090

Precursor

DownStream

[ HS Code ]: 2933199090

[ Summary ]:
2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Conversion of cysteinyl residues to unnatural amino acid analogs. Examination in a model system.

J. Protein Chem. 15(8) , 737-42, (1996)

Improved and efficient techniques have led to an explosive growth in the application of site-directed mutagenesis to the study of enzymes. However, the limited availability of only those 20 amino acid...

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