ChemicalBook--->CAS DataBase List--->19135-17-2

19135-17-2

19135-17-2 Structure

19135-17-2 Structure
IdentificationBack Directory
[Name]

NPGB
[CAS]

19135-17-2
[Synonyms]

NPGB
PNPGB
Nsc163801
P-NITROPHENYL P'-GUANIDINOBENZOATE HCL
4-NITROPHENYL 4-GUANIDINOBENZOATE &
P-NITROPHENYL-P-GUANIDINOBENZOATE HYDROCHLORIDE
4-NITROPHENYL 4-GUANIDINOBENZOATE HYDROCHLORIDE
P-NITROPHENYL P'-GUANIDINOBENZOATE HYDROCHLORIDE
p-nitrophenyl-p'-guanidinobenzoateHClcrystalline
4-GUANIDINOBENZOIC ACID 4-NITROPHENYL-ESTER HYDROCHLORIDE
P'-GUANIDINOBENZOIC ACID P-NITROPHENYL ESTER HYDROCHLORIDE
p-Nitrophenyl-p'-guanidinobenzoatehydrochloridecrystalline
(4-nitrophenyl)4-(diaminomethylideneamino)benzoate,hydrochloride
4-nitrophenyl 4-[(aminoiminomethyl)amino]benzoate monohydrochloride
4-Guanidinobenzoic acid 4-nitrophenylester hydrochloride, NPGB, pNPGB
4-Nitrophenyl 4-guanidinobenzoate hydrochloride protease inhibitor and substrate
Benzoic acid, 4-(aminoiminomethyl)amino-, 4-nitrophenyl ester, monohydrochloride
[EINECS(EC#)]

242-831-3
[Molecular Formula]

C14H13ClN4O4
[MDL Number]

MFCD00037010
[MOL File]

19135-17-2.mol
[Molecular Weight]

336.73
Chemical PropertiesBack Directory
[Melting point ]

241-243 °C
[storage temp. ]

-20°C
[form ]

Solid
[color ]

White to off-white
[BRN ]

8024554
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

36
[Safety Statements ]

26
[WGK Germany ]

3
[F ]

8-10
Hazard InformationBack Directory
[Uses]

4-Nitrophenyl 4-guanidinobenzoate hydrochloride has been used:
  • as a substrate for trypsin for active site titration experiments
  • for pre-treating of mosquito eggs in the interplasmid transposition assay
  • as a component of isotonic buffer to moisten filter paper for mosquito embryo collection

[General Description]

4-Nitrophenyl 4-guanidinobenzoate hydrochloride (pNPGB) is a trypsin substrate. It is more water-soluble than 4-methylumbelliferyl 4-guanidinobenzoate and is preferred in spectrophotometric assay.
[Biochem/physiol Actions]

4-Nitrophenyl 4-guanidinobenzoate hydrochloride (pNPGB) inhibits phenoloxidase enzyme and delays embryo chorionic membrane hardening.
[References]

[1] BHUMI PATEL . L. donovani XPRT: Molecular characterization and evaluation of inhibitors[J]. Biochimica et biophysica acta. Proteins and proteomics, 2018, 1866 3: Pages 426-441. DOI:10.1016/j.bbapap.2017.12.002.
[2] FRANK S. STEVEN Margaret M G. Studies on the Molecular Mechanism of Mersalyl and 4-Aminophenylmercuric Acetate Re-activation of Trypsin-Thiol Complexes[J]. The FEBS journal, 1980, 109 2: 567-573. DOI:10.1111/j.1432-1033.1980.tb04829.x.
[3] YING-YING HE . Isolation, expression and characterization of a novel dual serine protease inhibitor, OH-TCI, from king cobra venom[J]. Peptides, 2008, 29 10: Pages 1692-1699. DOI:10.1016/j.peptides.2008.05.025.
[4] J.A. SCHIFFERLI G. S. A simple two-step procedure for the preparation of the first component of human complement (C1) in its native form[J]. Journal of immunological methods, 1985, 76 2: Pages 283-288. DOI:10.1016/0022-1759(85)90305-9.
[5] J. M. KAMINSKI. Synthesis and inhibition of human acrosin and trypsin and acute toxicity of aryl 4-guanidinobenzoates[J]. Journal of Medicinal Chemistry, 1986, 29 4: 514-519. DOI:10.1021/jm00154a015.
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