Cystamine dihydrochloride

Modify Date: 2025-08-23 13:34:16

Cystamine dihydrochloride structure	Common Name	Cystamine dihydrochloride
	CAS Number	56-17-7	Molecular Weight	225.203
	Density	1.172g/cm3	Boiling Point	264.8ºC at 760mmHg
	Molecular Formula	C₄H₁₄Cl₂N₂S₂	Melting Point	217-220 °C (dec.)(lit.)
	MSDS	Chinese USA	Flash Point	N/A
	Symbol	GHS07	Signal Word	Warning

Use of Cystamine dihydrochloride

Cystamine (dihydrochloride) is the disulfide form of the free thiol, cysteamine. Cystamine is an orally active transglutaminase (Tgase) inhibitor. Cystamine also has inhibition activity for caspase-3 with an IC50 value of 23.6 μM. Cystamine can be used for the research of severals diseases including Huntington's disease (HD) [1][2][3].

Name	Cystamine dihydrochloride
Synonym	More Synonyms

Description	Cystamine (dihydrochloride) is the disulfide form of the free thiol, cysteamine. Cystamine is an orally active transglutaminase (Tgase) inhibitor. Cystamine also has inhibition activity for caspase-3 with an IC50 value of 23.6 μM. Cystamine can be used for the research of severals diseases including Huntington's disease (HD) [1][2][3].
Related Catalog	Signaling Pathways >> Apoptosis >> Apoptosis Research Areas >> Cancer Signaling Pathways >> Apoptosis >> Caspase Research Areas >> Neurological Disease
Target	Caspase 3:23.6 μM (IC50)
In Vitro	Cystamine (dihydrochloride) has inhibition activity for caspase-3 with an IC50 value of 23.6 μM[1]. Cystamine (0-500 μM; 0-16 h) inhibits recombinant active caspase-3 in a concentration-dependent manner[1]. Cystamine (250 μM; 10 h) robustly increases the levels of glutathione[1]. Western Blot Analysis[1] Cell Line: Human neuroblastoma SH-SY5Y cells Concentration: 250, 500 μM Incubation Time: 0-16 h Result: Inhibited the MG132-mediated activation of caspase-3. Inhibited the H2O2-mediated activation of caspase-3. Inhibited caspase-3 activity in a tTG-independent manner.
In Vivo	Cystamine (dihydrochloride) (oral, i.p.; 112, 225 mg/kg) reduces Tgase activity and GGEL levels, lessens the behavioral and neuropathological severity, and extends survival in R6/2 transgenic HD mice[2]. Animal Model: R6/2 transgenic HD mice[2] Dosage: 112, 225 mg/kg Administration: Intraperitoneal or oral, daily Result: Significantly extended survival, improved body weight and motor performance, delayed the neuropathological sequela and significantly altered the levels of Tgase activity and N(Sigma)-(gamma-L-glutamyl)-L-lysine (GGEL) levels.

Density	1.172g/cm3
Boiling Point	264.8ºC at 760mmHg
Melting Point	217-220 °C (dec.)(lit.)
Molecular Formula	C₄H₁₄Cl₂N₂S₂
Molecular Weight	225.203
Exact Mass	223.997543
PSA	102.64000
LogP	3.28980
Stability	Stable. Incompatible with strong oxidizing agents.
Water Solubility	soluble

Cystamine dihydrochloride MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: KR7260000

CHEMICAL NAME :: Ethylamine, 2,2'-dithiobis-, dihydrochloride

CAS REGISTRY NUMBER :: 56-17-7

LAST UPDATED :: 199701

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: C4-H12-N2-S2.2Cl-H

MOLECULAR WEIGHT :: 225.22

WISWESSER LINE NOTATION :: Z2SS2Z

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 :: 896 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - respiratory depression

REFERENCE :: TOVEFN Toksikologicheskii Vestnik. (18-20 Vadkovskii per. Moscow, 101479, Russia) History Unknown Volume(issue)/page/year: (3),46,1994

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 200 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - respiratory depression

REFERENCE :: AEPPAE Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. (Berlin, Ger.) V.110-253, 1925-66. For publisher information, see NSAPCC. Volume(issue)/page/year: 185,461,1937

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 874 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - respiratory depression

REFERENCE :: TOVEFN Toksikologicheskii Vestnik. (18-20 Vadkovskii per. Moscow, 101479, Russia) History Unknown Volume(issue)/page/year: (3),46,1994

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 405 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: 21,284,1971

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Mammal - cat

DOSE/DURATION :: 200 mg/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - other changes

REFERENCE :: AEPPAE Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. (Berlin, Ger.) V.110-253, 1925-66. For publisher information, see NSAPCC. Volume(issue)/page/year: 185,461,1937

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 300 mg/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - other changes

REFERENCE :: AEPPAE Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. (Berlin, Ger.) V.110-253, 1925-66. For publisher information, see NSAPCC. Volume(issue)/page/year: 185,461,1937 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 1250 mg/kg

SEX/DURATION :: female 13-17 day(s) after conception

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

REFERENCE :: JEEMAF Journal of Embryology and Experimental Morphology. (Essex, UK) V.1-98, 1953-86. For Publisher information, see DEVPED Volume(issue)/page/year: 8,94,1960 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5832 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 1822 (estimated) No. of Female Employees: 272 (estimated)

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xn:Harmful;
Risk Phrases	R22;R36/37/38
Safety Phrases	S37/39-S26-S36/37/39
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	KR7260000
HS Code	29309070

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HS Code	29309070

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Ethanamine, 2,2'-dithiobis-, hydrochloride (1:2)

CYSTAMINIUM DICHLORIDE

aed

cystaminedihcl

OYSTAMINE DIHYDROCHLORIDE

2,2'-dithiodiethanamine dihydrochloride

2,2'-diaminodiethyl disulfide dihydrochloride

CystamineHcl

2,2'-Disulfanediyldiethanamine dihydrochloride

2,2'-dithiodiethylamine dihydrocloride

cystamine 2hcl

usafcb-34

MFCD00012905

EINECS 200-260-7

2,2'-Dithiobis[ethylamine] dihydrochloride

2,2'-diaminoethyl disulfide dihydrochloride

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Cystamine dihydrochloride
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
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Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Cystamine dihydrochloride
Price: ￥1025.0/500g ￥355.0/100g
Purity: 98.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

DC Chemicals Limited
China
Product Name: Cystamine dihydrochloride
Price: $Inquiry/100mg $Inquiry/250mg $Inquiry/500mg
Purity: 98.0%
Delivery: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Cystamine dihydrochloride
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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