IQB-782

Names

[ Name ]:
IQB-782

[Synonym ]:
IQB-782
N-amidino-L-cysteine
CYSTEINE,N-AMIDINO-,L
L-Cysteine,N-(aminoiminomethyl)
N-Amidinocysteine
EINECS 254-925-1
N-Guanyl-cysteine

Biological Activity

[Description]:

IQB-782 is a cysteine derivative. IQB-782 has inhibition for thrombin activatable fibrinolysis inhibitor (TAFI), with an Ki(app) of 0.14 μM. IQB-782 shows a potent mucolytic-expectorant activity[1][2].

[Related Catalog]:

Research Areas >> Cardiovascular Disease

Signaling Pathways >> Others >> Others

[Target]

Ki (app): 0.14 μM (TAFI)[1]

[In Vitro]

IQB-782 inhibits TAFI related carboxypeptidases with IC50s of 49 μM and 12 μM for CPN and CPB, respectively[1].

[References]

[1]. Do YH, et al. Inhibition of thrombin activatable fibrinolysis inhibitor by cysteine derivatives. Thromb Res. 2005;116(3):265-71.

[2]. Moratalla R, et al. Pharmacological study of the new mucolytic drug N-guanyl-cysteine. Arzneimittelforschung. 1986 Jun;36(6):918-23.

Chemical & Physical Properties

[ Density]:
1.66g/cm3

[ Boiling Point ]:
348.5ºC at 760mmHg

[ Molecular Formula ]:
C₄H₉N₃O₂S

[ Molecular Weight ]:
163.19800

[ Flash Point ]:
164.5ºC

[ Exact Mass ]:
163.04200

[ PSA ]:
138.00000

[ LogP ]:
0.04340

[ Index of Refraction ]:
1.673

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: HA1680000

CHEMICAL NAME :: Cysteine, N-amidino-, L-

CAS REGISTRY NUMBER :: 40454-21-5

LAST UPDATED :: 199612

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C4-H9-N3-O2-S

MOLECULAR WEIGHT :: 163.22

WISWESSER LINE NOTATION :: ZYM&MYVQ1SH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >6 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 36,918,1986

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2250 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 36,918,1986

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >6 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 36,918,1986

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 3600 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 36,918,1986

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 685 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 36,918,1986

Safety Information

[ Hazard Codes ]:
Xi

[ HS Code ]:
2930909090

Customs

[ HS Code ]: 2930909090

[ Summary ]:
2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Related Compounds

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