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ChemicalBook >> CAS DataBase List >>7-Hydroxy-5-methyl-1,3,4-triazaindolizine

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

CAS No.
2503-56-2
Chemical Name:
7-Hydroxy-5-methyl-1,3,4-triazaindolizine
Synonyms
NSC 32071;NSC 511493;TOSLAB 29980;Triazaindolizine;BUTTPARK 125\40-15;7-Hydroxy-5-methyl-1;Trapidil intermediate;Trapidil EP Impurity A;Trapidil impurity A CRS;Trapidil interMediate product
CBNumber:
CB3118175
Molecular Formula:
C6H6N4O
Molecular Weight:
150.14
MDL Number:
MFCD00005555
MOL File:
2503-56-2.mol
MSDS File:
SDS
Last updated:2025-01-27 09:38:02

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

Melting point 280-283 °C(lit.)
Boiling point 271.66°C (rough estimate)
Density 1.3471 (rough estimate)
vapor pressure 0-0Pa at 20-25℃
refractive index 1.6700 (estimate)
storage temp. 2-8°C
pka 1.14±0.53(Predicted)
form solid
color White to Almost white
Water Solubility INSOLUBLE IN COLD WATER
BRN 609440
InChIKey ZUIVNYGZFPOXFW-UHFFFAOYSA-N
LogP -1.4 at 19℃ and pH7.1
CAS DataBase Reference 2503-56-2(CAS DataBase Reference)
FDA UNII J13JT2L1BY
NIST Chemistry Reference Pyrimidin-7-ol, 5-methyl-s-triazolo-[1,5-a]-(2503-56-2)
EPA Substance Registry System [1,2,4]Triazolo[1,5-a]pyrimidin-7-ol, 5-methyl- (2503-56-2)
UNSPSC Code 41116107
NACRES NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P305+P351+P338
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36-37/39
WGK Germany  1
RTECS  XZ6133300
F  9
Hazard Note  Harmful
TSCA  Yes
HS Code  2933998090
Toxicity mouse,LD50,intravenous,> 450mg/kg (450mg/kg),Oyo Yakuri. Pharmacometrics. Vol. 13, Pg. 597, 1977.
NFPA 704
0
2 0

7-Hydroxy-5-methyl-1,3,4-triazaindolizine price More Price(27)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich T1820002 Trapidil impurity A European Pharmacopoeia (EP) Reference Standard 2503-56-2 t1820002 $223 2024-03-01 Buy
TCI Chemical H0273 7-Hydroxy-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidine 2503-56-2 25g $54 2024-03-01 Buy
TCI Chemical H0273 7-Hydroxy-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidine 2503-56-2 500g $428 2024-03-01 Buy
Alfa Aesar A18438 7-Hydroxy-5-methyl[1,2,4]triazolo[1,5-a]pyrimidine, 98% 2503-56-2 25g $48.65 2024-03-01 Buy
Alfa Aesar A18438 7-Hydroxy-5-methyl[1,2,4]triazolo[1,5-a]pyrimidine, 98% 2503-56-2 100g $151.65 2024-03-01 Buy
Product number Packaging Price Buy
T1820002 t1820002 $223 Buy
H0273 25g $54 Buy
H0273 500g $428 Buy
A18438 25g $48.65 Buy
A18438 100g $151.65 Buy

7-Hydroxy-5-methyl-1,3,4-triazaindolizine Chemical Properties,Uses,Production

Chemical Properties

7-Hydroxy-5-methyl-1,3,4-triazaindolizine is white fine crystalline powder

Uses

Reactant for the synthesis of: • ;Ruthenium(II)-Hmtpo complexes1• ;Dihydroorotate dehydrogenase inhibitors with antimalarial activity2Reactant for the Vilsmeier reaction of conjugated carbocycles and heterocycles3Investigations of the pharmacological activity caused by binding to HIV TAR RNA4Additive to study the space charge layer in silver bromide microcrystals5

Uses

Reactant for the synthesis of:

  • Ruthenium(II)-Hmtpo complexes
  • Dihydroorotate dehydrogenase inhibitors with antimalarial activity

Reactant for the Vilsmeier reaction of conjugated carbocycles and heterocycles

Investigations of the pharmacological activity caused by binding to HIV TAR RNA

Additive to study the space charge layer in silver bromide microcrystals

reaction suitability

reaction type: C-C Bond Formation

7-Hydroxy-5-methyl-1,3,4-triazaindolizine Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 175)Suppliers
Supplier Tel Email Country ProdList Advantage
career henan chemical co 		+86-0371-86658258 +8613203830695 sales@coreychem.com China 29856 58
Alchem Pharmtech,Inc. 		8485655694 sales@alchempharmtech.com United States 63687 58
CONIER CHEM AND PHARMA LIMITED 		+8618523575427 sales@conier.com China 49732 58
Antai Fine Chemical Technology Co.,Limited 		18503026267 info@antaichem.com CHINA 9636 58
Zhengzhou Alfa Chemical Co.,Ltd 		+8618530059196 sale04@alfachem.cn China 12464 58
Hebei Mujin Biotechnology Co.,Ltd 		+86-13288715578 +86-13288715578 sales@hbmojin.com China 12749 58
SIMAGCHEM CORP 		+86-13806087780 sale@simagchem.com China 17346 58
Hefei TNJ Chemical Industry Co.,Ltd. 		+86-0551-65418671 +8618949823763 sales@tnjchem.com China 34563 58
Baoji Guokang Healthchem co.,ltd 		+8615604608665 15604608665 dominicguo@gk-bio.com CHINA 9414 58
Dayang Chem (Hangzhou) Co.,Ltd. 		+86-0571-88938639 +8617705817739 info@dycnchem.com China 52846 58

View Lastest Price from 7-Hydroxy-5-methyl-1,3,4-triazaindolizine manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
7-Hydroxy-5-methyl-1,3,4-triazaindolizine pictures 2025-05-16 7-Hydroxy-5-methyl-1,3,4-triazaindolizine
2503-56-2
 US $50.00 / KG 1KG 99% 5000KG Hebei Mujin Biotechnology Co.,Ltd
7-Hydroxy-5-methyl-1,3,4-triazaindolizine pictures 2019-07-06 7-Hydroxy-5-methyl-1,3,4-triazaindolizine
2503-56-2
 US $1.00 / KG 1KG 97% 200KG Career Henan Chemical Co
5-a)pyrimidin-7-ol,5-methyl-s-triazolo( 5-Methyl-7-hydroxy-1,3,4-triazindolizine 5-Methyl-s-trazolo[1,5-]pyrimidin-7-ol Methyl hydroxytriazaindolizine 5-Methyl-s-triazolo[1,5-a]pyrimidin-7-ol,98% 5-Methyl (1,2,4)trizolo(1,5-α)pyrimidin-7-ol 5-Methyl-[1,2,4]triazolo[1,5-a]pyridin-7-ol Trapidil interMediate product 6-Methyl-4-hydroxy-1,3,3a,7-tetraazaindene NSC 32071 NSC 511493 7-Hydroxy-5-methyl-1 [1,2,4]Triazolo[1,5-a]pyrimidin-7-ol, 5-methyl- 2,4)triazolo(1,5-a)pyrimidin-7-ol,5-methyl-( 2,4]triazolo[1,5-a]pyrimidin-7-ol,5-methyl-[ 7-Hydroxy-5-methyl[1,2,4]triazolo[1,5-a]pyrimidine 98% TOSLAB 29980 s-Triazolo(1,5-a)pyrimidin-7-ol, 5-methyl- BUTTPARK 125\40-15 5-METHYL-S-TRIAZOLE[1,5-ALPHA]PYRIMIDIN-7-OL 5-Methyl-7-hydroxy-1,2,4-triazolo[1,5-a]pyrimidine 5-METHYL-7-HYDROXY-S-TRIAZOLO-4-(1,5A)PYRIMIDINE (STA SALZ) 5- Methyl- 1, 3, 4- triazaindolizin- 7- ol 7-Hydroxy-5-methyl-1,2,4-triazolo1,5-aüpyrimidine, 98+% 7-HYDROXY-5-METHYL-[1,2,4]TRIAZOLO[2,3-A]PYRIMIDINE 7-HYDROXY-5-METHYL-1,3,4-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-7-HYDROXY-1,3,4-TRIAZAINDOLIZINE 5 METHYL-5-TRIAZOLO[1,5-A]PYRIMIDIN-7-OL 5-METHYL-S-TRIAZOLO[1,5-A]PYRIMIDIN-7-OL 5-METHYL-SYM-TRIAZOLO[1,5-A]PYRIMIDIN-7-OL 7-Hydroxy-5-methyl-1,2,4-triazaindolizine 5-Hydroxy-7-methyl-1,3,8-triazaindolizine 5-METHYL-S-TRIAZOLO(1 5-A)PYRIMIDIN-7-O& 5-METHYL-S-TRIAZOLO-(1.5)-PYRIMIDINE-7-OL 4-Hydroxy-6-methyl-1,3,3a,7-tetrazaindene 5-Methyl-1,3,4-triazaindolizine-7-ol 1,3,7-Triaza-4-hydroxy-6-methylindolizine 2,4]Triazolo[1,5-a]pyrimidin-7-ol,5-methyl-[1 5-methyl-1H-[1,2,4]triazolo[1,5-a]pyrimidin-7-one Trapidil intermediate 5-Methyl-s-triazolo[1,5-a]pyrimidine-7-ol 4-Hydroxy-6-methyl-1,3,3a,7-tetraazaindene Trapidil Impurity 1 (Trapidil EP Impurity A) Trapidil EP Impurity A Trapidil impurity A CRS 5-methyl-3H-[1,2,4]triazolo[1,5-a]pyridin-7-one Triazaindolizine 7-Hydroxy-5-methyl[1,2,4]triazolo[1,5-a]pyrimidine 2503-56-2 Heterocyclic Building Blocks Building Blocks Benzotriazoles Industrial/Fine Chemicals Benzotriazoles Building Blocks C-C Bond Formation