Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Pidotimod
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Pidotimod
Price: ￥168.0/1g ￥538.0/5g
Purity: 99.0%
Stocking Period: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

ShangHai DC Chemicals Co.,Ltd
China
Product Name: Pidotimod
Price: ￥Inquiry/1g
Purity: 98.9%
Stocking Period: 1 Day
Contact: Tony Lai
Email: order@dcchemicals.com

DC Chemicals Limited
China
Product Name: Pidotimod
Price: $100.0/1g
Purity: 98.0%
Stocking Period: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 121808-62-6
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

121808-62-6

121808-62-6 structure

Name: Pidotimod
Chemical Name: (R)-3-((S)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid
CAS Number: 121808-62-6
Molecular Formula: C₉H₁₂N₂O₄S
Molecular Weight: 244.268
Catalog: Biochemical Biological response modifier
Create Date: 2018-02-28 08:00:00
Modify Date: 2025-09-29 18:21:42
Pidotimod is an immunostimulant, a synthetic dipeptide with immunomodulatory properties, also able to increase the concentration of salivary IgA directed against bacteria.

Name	(R)-3-((S)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid
Synonyms	Pigitil (R)-3-[[(S)-5-Oxo-2-pyrrolidinyl]carbonyl]-1,3-thiazolidine-4-carboxylic Acid (4R)-3-[(2S)-5-oxopyrrolidine-2-carbonyl]-1,3-thiazolidine-4-carboxylic acid (R)-3-[(S)-5-oxoprolyl]-4-thiazolidine carboxylic acid Pidotimod Axil [R-(R,S)]-3-[(5-Oxo-2-pyrrolidinyl)carbonyl]-4-thiazolidinecarboxylic acid PGT/1A MFCD00867583 Onaka (4R)-3-(5-Oxo-L-prolyl)-1,3-thiazolidine-4-carboxylic acid Polimod 4-Thiazolidinecarboxylic acid, 3-[[(2S)-5-oxo-2-pyrrolidinyl]carbonyl]-, (4R)- 3-L-pyroglutamyl-L-thiazolidine-4-carboxylic acid (R)-3-((S)-2-oxopyrrolidine-5-carbonyl)thiazolidine-4-carboxylic acid

Description	Pidotimod is an immunostimulant, a synthetic dipeptide with immunomodulatory properties, also able to increase the concentration of salivary IgA directed against bacteria.
Related Catalog	Signaling Pathways >> Others >> Others Research Areas >> Inflammation/Immunology

Density	1.5±0.1 g/cm3
Boiling Point	663.0±55.0 °C at 760 mmHg
Melting Point	194-198ºC (dec.)
Molecular Formula	C₉H₁₂N₂O₄S
Molecular Weight	244.268
Flash Point	354.8±31.5 °C
Exact Mass	244.051773
PSA	112.01000
LogP	-2.38
Vapour Pressure	0.0±4.3 mmHg at 25°C
Index of Refraction	1.619
Storage condition	Hygroscopic, -20°C Freezer, Under Inert Atmosphere

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XJ5426675

CHEMICAL NAME :: 4-Thiazolidinecarboxylic acid, 3-((5-oxo-2-pyrrolidinyl)carbonyl)-, (R-(R*,S*))-

CAS REGISTRY NUMBER :: 121808-62-6

LAST UPDATED :: 199612

DATA ITEMS CITED :: 12

MOLECULAR FORMULA :: C9-H12-N2-O4-S

MOLECULAR WEIGHT :: 244.29

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 :: >8 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: 44,1448,1994

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 5800 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: 44,1448,1994

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >4 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: 44,1448,1994

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

ROUTE OF EXPOSURE :: Intramuscular

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >4 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: 44,1448,1994

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >8 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: 44,1448,1994

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 3700 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: 44,1448,1994

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >4 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: 44,1448,1994

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

ROUTE OF EXPOSURE :: Intramuscular

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >4 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: 44,1448,1994

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: >4 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: 44,1448,1994

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: >2 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: 44,1448,1994

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

ROUTE OF EXPOSURE :: Intramuscular

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: >2 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: 44,1448,1994 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 146 gm/kg/26W-I

TOXIC EFFECTS :: Endocrine - changes in thymus weight Nutritional and Gross Metabolic - other changes

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 44,1448,1994

Hazard Codes	Xi
RIDADR	NONH for all modes of transport
HS Code	2934999090

28990-85-4

34592-47-7

~76%

121808-62-6

Literature: Magni; Signorelli; Bocchiola Arzneimittel-Forschung/Drug Research, 1994 , vol. 44, # 12 A p. 1402 - 1404

135124-63-9

~77%

121808-62-6

Literature: Magni; Signorelli; Bocchiola Arzneimittel-Forschung/Drug Research, 1994 , vol. 44, # 12 A p. 1402 - 1404

98-79-3

121808-62-6

Literature: Arzneimittel-Forschung/Drug Research, , vol. 44, # 12 A p. 1402 - 1404

Precursor 3
28990-85-4 34592-47-7 98-79-3
DownStream 0

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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