5,6-dimethyl-2-Thiouracil

Modify Date: 2025-08-25 20:18:33

5,6-dimethyl-2-Thiouracil structure	Common Name	5,6-dimethyl-2-Thiouracil
	CAS Number	28456-54-4	Molecular Weight	156.20600
	Density	1.29g/cm3	Boiling Point	347.3ºC at 760mmHg
	Molecular Formula	C₆H₈N₂OS	Melting Point	284-288ºC(lit.)
	MSDS	Chinese USA	Flash Point	163.9ºC
	Symbol	GHS07	Signal Word	Warning

Name	5,6-Dimethyl-2-thiouracil
Synonym	More Synonyms

Density	1.29g/cm3
Boiling Point	347.3ºC at 760mmHg
Melting Point	284-288ºC(lit.)
Molecular Formula	C₆H₈N₂OS
Molecular Weight	156.20600
Flash Point	163.9ºC
Exact Mass	156.03600
PSA	84.81000
LogP	1.08770
Vapour Pressure	2.7E-05mmHg at 25°C
Index of Refraction	1.61
InChIKey	MEAKRQUSGACTFV-UHFFFAOYSA-N
SMILES	Cc1[nH]c(=S)[nH]c(=O)c1C

5,6-dimethyl-2-Thiouracil MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YQ9887000

CHEMICAL NAME :: Uracil, 5,6-dimethyl-2-thio-

CAS REGISTRY NUMBER :: 28456-54-4

BEILSTEIN REFERENCE NO. :: 0118811

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C6-H8-N2-O-S

MOLECULAR WEIGHT :: 156.22

WISWESSER LINE NOTATION :: T6MYMVJ BUS E1 F1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 250 mg/kg

TOXIC EFFECTS :: Behavioral - antipsychotic

REFERENCE :: CPBTAL Chemical and Pharmaceutical Bulletin. (Japan Pub. Trading Co., USA, 1255 Howard St., San Francisco, CA 94103) V.6- 1958- Volume(issue)/page/year: 6,490,1958

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi: Irritant;
Risk Phrases	36/37/38
Safety Phrases	26-36
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	YQ9887000
HS Code	2933599090

Ethyl 2-methyla...

CAS#:609-14-3

thiourea

CAS#:17356-08-0

~77%

5,6-dimethyl-2-...

CAS#:28456-54-4

Literature: ABBVIE INC.; DEKHTYAR, Tatyana; GOMTSYAN, Arthur; MOLLA, M-Akhteruzzaman; VASUDEVAN, Anil; NG, Teresa (Iok Chan); SHAFEEV, Mikhail Patent: WO2013/123401 A1, 2013 ; Location in patent: Page/Page column 39 ;

methyl 2-methyl...

CAS#:17094-21-2

thiourea

CAS#:17356-08-0

5,6-dimethyl-2-...

CAS#:28456-54-4

Literature: Roth, Joshua; Minond, Dmitriy; Darout, Etzer; Liu, Qin; Lauer, Janelle; Hodder, Peter; Fields, Gregg B.; Roush, William R. Bioorganic and Medicinal Chemistry Letters, 2011 , vol. 21, # 23 p. 7180 - 7184

Precursor 2
CAS#:609-14-3 Ethyl 2-methyla... CAS#:17094-21-2 methyl 2-methyl...
DownStream 5
CAS#:67434-65-5 4-Chloro-5,6-di... CAS#:31408-09-0 2,4(1H,3H)-Pyri... CAS#:34916-78-4 5,6-DIMETHYLPYR... CAS#:26305-13-5 2,4-Dihydroxy-5...
CAS#:1780-32-1 2,4-Dichloro-5,...

HS Code	2933599090
Summary	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

5,6-dimethyl-2-sulfanylidene-1H-pyrimidin-4-one

MFCD00278872

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5,6-dimethyl-2-Thiouracil
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4(1H)-Pyrimidinone,2,3-dihydro-5,6-dimethyl-2-thioxo-
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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5,6-dimethyl-2-Thiouracil

Names

Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

Synthetic Route

Precursor & DownStream

Customs

Synonyms

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.