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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Pyributicarb
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88678-67-5

88678-67-5 structure

88678-67-5 structure

Name: Pyributicarb
Chemical Name: pyributicarb
CAS Number: 88678-67-5
Molecular Formula: C₁₈H₂₂N₂O₂S
Molecular Weight: 330.444
Catalog: analytical chemistry Standard Pesticides, veterinary drugs and fertilizers
Create Date: 2018-07-06 12:33:10
Modify Date: 2025-08-25 08:51:08
Pyributicarb, a carbamate-type herbicide, is a potent activator of both CYP3A4 gene and human pregnane X receptor (hPXR).

Name	pyributicarb
Synonyms	Carbamothioic acid, N-(6-methoxy-2-pyridinyl)-N-methyl-, O-[3-(1,1-dimethylethyl)phenyl] ester O-(3-tert-Butylphenyl) (6-methoxypyridin-2-yl)methylcarbamothioate (6-Méthoxy-2-pyridinyl)méthylthiocarbamate de O-[3-(2-méthyl-2-propanyl)phényle] O-(3-tert-Butylphenyl)-(6-methoxypyridin-2-yl)methylthiocarbamat TSH-888 O-[3-(1,1-Dimethylethyl)phenyl] (6-methoxy-2-pyridinyl)methylcarbamothioate Pyributicarb [ISO] O-[3-(1,1-dimethylethyl)phenyl] N-(6-methoxy-2-pyridinyl)-N-methylcarbamothioate Carbamothioic acid,(6-methoxy-2-pyridinyl)methyl-,O-(3-(1,1-dimethylethyl)phenyl) ester O-(3-tert-butylphenyl) N-(6-methoxypyridin-2-yl)-N-methylcarbamothioate O-[3-(2-Methyl-2-propanyl)phenyl]-(6-methoxy-2-pyridinyl)methylthiocarbamat O-[3-(2-Methyl-2-propanyl)phenyl] (6-methoxy-2-pyridinyl)methylcarbamothioate O-3-tert-Butylphenyl 6-methoxy-2-pyridyl(methyl)thiocarbamate Thiocarbamic acid,N-(6-methoxy-2-pyridyl)-N-methyl-,O-3-tert-butylphenyl ester

Description	Pyributicarb, a carbamate-type herbicide, is a potent activator of both CYP3A4 gene and human pregnane X receptor (hPXR).
Related Catalog	Signaling Pathways >> Metabolic Enzyme/Protease >> Cytochrome P450 Research Areas >> Inflammation/Immunology
Target	CYP3A4[1], hPXR[2]
In Vitro	Pyributicarb, a carbamate-type herbicide, is a potent activator of both CYP3A4 gene and human pregnane X receptor (hPXR). Pyributicarb is found to increase the CYP3A4 reporter activity at 0.1 to 1 μM more strongly than typical CYP3A4 inducer rifampicin. Expression of hPXR-siRNA clearly diminishes the Pyributicarb-stimulated CYP3A4 reporter activity in 3-1-10 cells and decreases the endogenous CYP3A4 mRNA levels in HepG2 cells[1]. Pyributicarb induces luciferase transcription via hPXR at low concentrations in the order of 10 nM. The relative potency of Pyributicarb for hPXR is 8.6-fold that of rifampicin (RIF)[2].
In Vivo	Pyributicarb causes enhancement of CYP3A4-derived reporter activity in mouse livers introduced with hPXR by adenovirus[1].
Cell Assay	HepG2-derived cells stably expressing the CYP3A4 reporter gene (3-1-10 cells) are used in this experiment. The cells are treated with 0.3 to 30 μM Pyributicarb for 48 h. Then reporter activities are determined[1].
Animal Admin	Male ICR mice (5 weeks old) are used and fed standard rodent chow. After 18-h fasting, mice are injected i.v. with adenovirus [4.0 ×109 50% titer culture infectious dose (TCID50)/mouse]. Three days after the infection, vehicle (0.5% methyl cellulose/saline) or Pyributicarb (100 mg/kg/day) is administered p.o. for 2 consecutive days. Animals are killed 20 h after the last dose[1].
References	[1]. Matsubara T, et al. Assessment of human pregnane X receptor involvement in pesticide-mediated activation of CYP3A4 gene. Drug Metab Dispos. 2007 May;35(5):728-33. [2]. Kojima H, et al. Comparative study of human and mouse pregnane X receptor agonistic activity in 200 pesticides using in vitro reporter gene assays. Toxicology. 2011 Feb 27;280(3):77-87.

Density	1.2±0.1 g/cm3
Boiling Point	427.8±55.0 °C at 760 mmHg
Molecular Formula	C₁₈H₂₂N₂O₂S
Molecular Weight	330.444
Flash Point	212.5±31.5 °C
Exact Mass	330.140198
PSA	75.47000
LogP	5.21
Vapour Pressure	0.0±1.0 mmHg at 25°C
Index of Refraction	1.599
Storage condition	0-6°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XK4962000

CHEMICAL NAME :: Thiocarbamic acid, N-(6-methoxy-2-pyridyl)-N-methyl-, O-3-tert-butylphenyl ester

CAS REGISTRY NUMBER :: 88678-67-5

LAST UPDATED :: 199706

DATA ITEMS CITED :: 15

MOLECULAR FORMULA :: C18-H22-N2-O2-S

MOLECULAR WEIGHT :: 330.48

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 :: >5 gm/kg

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

REFERENCE :: JPIFAN Japan Pesticide Information. (Japan Plant Protection Assoc., 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) No.1-61, 1969-92. For publisher information, see AGJAEP. Volume(issue)/page/year: (57),30,1990

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >6520 mg/m3/4H

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

REFERENCE :: JPIFAN Japan Pesticide Information. (Japan Plant Protection Assoc., 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) No.1-61, 1969-92. For publisher information, see AGJAEP. Volume(issue)/page/year: (57),30,1990

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >5 gm/kg

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

REFERENCE :: JPIFAN Japan Pesticide Information. (Japan Plant Protection Assoc., 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) No.1-61, 1969-92. For publisher information, see AGJAEP. Volume(issue)/page/year: (57),30,1990

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >5 gm/kg

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

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,503,1990

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >5 gm/kg

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

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,503,1990

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >5 gm/kg

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

REFERENCE :: JPIFAN Japan Pesticide Information. (Japan Plant Protection Assoc., 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) No.1-61, 1969-92. For publisher information, see AGJAEP. Volume(issue)/page/year: (57),30,1990

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >5 gm/kg

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

REFERENCE :: JPIFAN Japan Pesticide Information. (Japan Plant Protection Assoc., 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) No.1-61, 1969-92. For publisher information, see AGJAEP. Volume(issue)/page/year: (57),30,1990

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >5 gm/kg

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

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,503,1990

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >5 gm/kg

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

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,503,1990 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 30030 mg/kg/13W-C

TOXIC EFFECTS :: Liver - changes in liver weight Endocrine - hypoglycemia Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,503,1990

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 219 gm/kg/2Y-C

TOXIC EFFECTS :: Liver - other changes Kidney, Ureter, Bladder - urine volume decreased Blood - normocytic anemia

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,503,1990

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 328 gm/kg/78W-C

TOXIC EFFECTS :: Liver - other changes Liver - changes in liver weight Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,503,1990

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 1368 mg/kg/13W-C

TOXIC EFFECTS :: Liver - changes in liver weight Blood - other changes Blood - changes in erythrocyte (RBC) count

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,503,1990

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 24813 mg/kg/1Y-C

TOXIC EFFECTS :: Liver - other changes Liver - changes in liver weight Endocrine - changes in thyroid weight

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,503,1990 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 845 mg/kg

SEX/DURATION :: female 6-18 day(s) after conception

TOXIC EFFECTS :: Reproductive - Maternal Effects - other effects Reproductive - Fertility - abortion

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 15,503,1990

Symbol	GHS09
Signal Word	Warning
Hazard Statements	H410
Precautionary Statements	P273-P501
Hazard Codes	N
Risk Phrases	50/53
Safety Phrases	61
RIDADR	UN 3077 9 / PGIII
RTECS	XK4962000
HS Code	2933399029

HS Code	2933399029
Summary	2933399029 o-(3-(tert-butyl)phenyl) (6-methoxypyridin-2-yl)(methyl)carbamothioate。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:20.0%

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