7-Hydroxy-5-methyl-1,3,4-triazaindolizine

Modify Date: 2025-08-25 20:55:14

7-Hydroxy-5-methyl-1,3,4-triazaindolizine structure	Common Name	7-Hydroxy-5-methyl-1,3,4-triazaindolizine
	CAS Number	2503-56-2	Molecular Weight	150.13800
	Density	1.424g/cm3	Boiling Point	N/A
	Molecular Formula	C₆H₆N₄O	Melting Point	280-283 °C(lit.)
	MSDS	N/A	Flash Point	N/A
	Symbol	GHS07	Signal Word	Warning

Name	7-Hydroxy-5-methyl-1,3,4-triazaindolizine
Synonym	More Synonyms

Density	1.424g/cm3
Melting Point	280-283 °C(lit.)
Molecular Formula	C₆H₆N₄O
Molecular Weight	150.13800
Exact Mass	150.05400
PSA	63.31000
LogP	0.13830
Index of Refraction	1.699
Water Solubility	INSOLUBLE IN COLD WATER

MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XZ6133300

CHEMICAL NAME :: (1,2,4)Triazolo(1,5-a)pyrimidin-7-ol, 5-methyl-

CAS REGISTRY NUMBER :: 2503-56-2

LAST UPDATED :: 199706

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C6-H6-N4-O

MOLECULAR WEIGHT :: 150.16

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >450 mg/kg

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

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 13,597,1977

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P305 + P351 + P338
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S36
RIDADR	NONH for all modes of transport
WGK Germany	1
RTECS	XZ6133300
HS Code	2933990090

Ethyl acetoacetate

CAS#:141-97-9

Amitrole

CAS#:61-82-5

~46%

7-Hydroxy-5-met...

CAS#:2503-56-2

Literature: BIOCRYST PHARMACEUTICALS, INC.; BABU, Yarlagadda, S.; CHAND, Pooran; KOTIAN, Pravin, L.; KUMAR, V., Satish Patent: WO2010/14930 A2, 2010 ; Location in patent: Page/Page column 51-52 ; WO 2010/014930 A2

Amitrole

CAS#:61-82-5

Ethyl acetoacetate

CAS#:141-97-9

~55%

7-Hydroxy-5-met...

CAS#:2503-56-2

Literature: Gujjar, Ramesh; Marwaha, Alka; Mazouni, Farah El; White, John; White, Karen L.; Creason, Sharon; Shackleford, David M.; Baldwin, Jeffrey; Charman, William N.; Buckner, Frederick S.; Charman, Susan; Rathod, Pradipsinh K.; Phillips, Margaret A. Journal of Medicinal Chemistry, 2009 , vol. 52, # 7 p. 1864 - 1872

Precursor 2
CAS#:141-97-9 Ethyl acetoacetate CAS#:61-82-5 Amitrole
DownStream 1
CAS#:24415-66-5 7-Chloro-5-Meth...

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Trapidil interMediate product

7-Hydroxy-5-methyl-1

6-Methyl-4-hydroxy-1,3,3a,7-tetraazaindene

5-Methyl[1,2,4]triazolo[1,5-a]pyrimidin-7-ol

EINECS 219-706-7

5-Hydroxy-7-methyl-1,3,8-triazaindolizin

5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol

7-Hydroxy-5-methyl[1,2,4]triazolo[1,5-a]pyrimidine

5-Methyl-1,3,4-triazaindolizine-7-ol

Triazaindolizine

7-Hydroxy-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidine

5-METHYL-(1,2,4)TRIAZOLO(1,5-A)PYRIMIDIN-7-OL

5-methyl-1,2,4-triazolo[1,5-a]pyrimidine-7(4H)-one

5-methyl-[1,2,4]-triazolo-[1,5-a]-pyrimidin-7-ol

Methyl hydroxytriazaindolizine

4-Hydroxy-6-methyl-1,3,3a,7-tetraazaindene

5-Methyl-s-trazolo[1,5-]pyrimidin-7-ol

4-hydroxy-6-methyl-1,3,3a,7-tetraza-indene

5-Methyl-1,2,4-Triazolo[1,5-a]Pyrimidin-7-ol

MFCD00005555

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 7-Hydroxy-5-methyl-1,3,4-triazaindolizine
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 7-Hydroxy-5-methyl-1,3,4-triazaindolizine
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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7-Hydroxy-5-methyl-1,3,4-triazaindolizine

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.