Polyinosinic-polycytidylic acid

Modify Date: 2025-08-20 17:59:23

Polyinosinic-polycytidylic acid structure	Common Name	Polyinosinic-polycytidylic acid
	CAS Number	24939-03-5	Molecular Weight	671.403
	Density	N/A	Boiling Point	851.4ºC at 760 mmHg
	Molecular Formula	C₁₉H₂₇N₇O₁₆P₂	Melting Point	N/A
	MSDS	N/A	Flash Point	N/A

Use of Polyinosinic-polycytidylic acid

Polyinosinic-polycytidylic acid (Poly(I:C)) is a synthetic double-stranded RNA (dsRNA), which is a Toll-like receptor 3 (TLR3) agonist. Polyinosinic-polycytidylic acid presents in some viruses, and is therefore commonly used to model the actions of extracellular dsRNA.

Name	poly(I:C)
Synonym	More Synonyms

Description	Polyinosinic-polycytidylic acid (Poly(I:C)) is a synthetic double-stranded RNA (dsRNA), which is a Toll-like receptor 3 (TLR3) agonist. Polyinosinic-polycytidylic acid presents in some viruses, and is therefore commonly used to model the actions of extracellular dsRNA.
Related Catalog	Signaling Pathways >> Immunology/Inflammation >> Toll-like Receptor (TLR) Research Areas >> Infection Research Areas >> Inflammation/Immunology
References	[1]. Alexopoulou L, Holt AC, Medzhitov R, Flavell RA. Recognition of double-stranded RNA and activation of NF-kappaB by Toll-like receptor 3. Nature. 2001;413(6857):732-738. [2]. Matsumoto M, Kikkawa S, Kohase M, Miyake K, Seya T. Establishment of a monoclonal antibody against human Toll-like receptor 3 that blocks double-stranded RNA-mediated signaling. Biochem Biophys Res Commun. 2002;293(5):1364-1369.

Description

Related Catalog

Signaling Pathways >> Immunology/Inflammation >> Toll-like Receptor (TLR)

Research Areas >> Infection

Research Areas >> Inflammation/Immunology

References

[1]. Alexopoulou L, Holt AC, Medzhitov R, Flavell RA. Recognition of double-stranded RNA and activation of NF-kappaB by Toll-like receptor 3. Nature. 2001;413(6857):732-738.

[2]. Matsumoto M, Kikkawa S, Kohase M, Miyake K, Seya T. Establishment of a monoclonal antibody against human Toll-like receptor 3 that blocks double-stranded RNA-mediated signaling. Biochem Biophys Res Commun. 2002;293(5):1364-1369.

Boiling Point	851.4ºC at 760 mmHg
Molecular Formula	C₁₉H₂₇N₇O₁₆P₂
Molecular Weight	671.403
Exact Mass	671.098938
PSA	377.00000
Vapour Pressure	7.7E-31mmHg at 25°C
InChIKey	ACEVNMQDUCOKHT-ZLOOHWKQSA-N
SMILES	Nc1ccn(C2OC(COP(=O)(O)O)C(O)C2O)c(=O)n1.O=c1[nH]cnc2c1ncn2C1OC(COP(=O)(O)O)C(O)C1O
Storage condition	−20°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TR0175000

CAS REGISTRY NUMBER :: 24939-03-5

LAST UPDATED :: 199106

DATA ITEMS CITED :: 15

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 365 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - muscle weakness Gastrointestinal - nausea or vomiting

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 185 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - muscle weakness Gastrointestinal - nausea or vomiting

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 35 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - lacrimation Behavioral - somnolence (general depressed activity) Behavioral - ataxia

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 9500 ug/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - lacrimation Behavioral - somnolence (general depressed activity) Behavioral - ataxia

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

ROUTE OF EXPOSURE :: Parenteral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 20 mg/kg

TOXIC EFFECTS :: Behavioral - excitement

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Primate - monkey

DOSE/DURATION :: 15 mg/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - somnolence (general depressed activity) Blood - hemorrhage

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 220 ug/kg

TOXIC EFFECTS :: Vascular - other changes Blood - hemorrhage Nutritional and Gross Metabolic - other changes

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 28 mg/kg/28D-I

TOXIC EFFECTS :: Vascular - structural changes in vessels Blood - pigmented or nucleated red blood cells

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 2 mg/kg

SEX/DURATION :: female 8-9 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

DOSE :: 50 ug/kg

SEX/DURATION :: female 1 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Fertility - other measures of fertility

TYPE OF TEST :: Cytogenetic analysis

MUTATION DATA

TEST SYSTEM :: Rodent - mouse

DOSE/DURATION :: 250 ug/kg

REFERENCE :: VVIRAT Voprosy Virusologii. Problems of Virology. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1956- Volume(issue)/page/year: (5),540,1982 *** REVIEWS *** TOXICOLOGY REVIEW CRTXB2 CRC Critical Reviews in Toxicology. (CRC Press, Inc., 2000 Corporate Blvd., NW, Boca Raton, FL 33431) V.1- 1971- Volume(issue)/page/year: 2,159,1973

Hazard Codes	Xn
WGK Germany	3
RTECS	TR0175000

24939-03-5 preparation

Polyinosinicacid-polycytidylicacid

Polyinosinic–polycytidylic acid

polyri:polyrc

polyi:c

Poly(I).Poly(C)

polycpolyi

5'-Inosinic acid homopolymer-5'-cytidylic acid homopolymer complex (1_1)

4-Amino-1-(5-O-phosphonopentofuranosyl)-2(1H)-pyrimidinone - 5'-inosinic acid (1:1)

Polyinosinic

2(1H)-Pyrimidinone, 4-amino-1-(5-O-phosphonopentofuranosyl)-, compd. with 5'-inosinic acid (1:1)

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Polyinosinic-polycytidylic acid

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