CAS RN: 10513-45-8 | Product Number: B0832
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|Appearance||White to Light yellow to Light red powder to crystal|
|Purity(HPLC)||min. 98.0 area%|
|Purity(with Total Nitrogen)||min. 98.0 %|
|Melting point||119.0 to 122.0 °C|
|Melting Point||119 °C|
|Hazard Statements||H272 : May intensify fire; oxidizer.
|Precautionary Statements||P501 : Dispose of contents/ container to an approved waste disposal plant.
P220 : Keep/Store away from clothing/ combustible materials.
P210 : Keep away from heat.
P221 : Take any precaution to avoid mixing with combustibles.
P280 : Wear protective gloves/ eye protection/ face protection.
P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
|UN Number (DOT-AIR)||UN1479|
|Packing Group (TCI-A)||III|
Under nitrogen, N-tert-butyl-5-methylisoxazolium perchlorate (240 mg, 1 mmol) is added to a mixture of 3-quinoline carboxylic acid (173 mg, 1 mmol) and triethylamine (140 µL, 1 mmol) in DMF (2 mL). The mixture is stirred at room temperature for 4 h and then poured on iced water (50 mL). The precipitate is collected, washed with water and dried. The intermediate ester 1 (131 mg, 0.44 mmol) is isolated in 44% yield as a yellow powder. Then the product (110 mg, 0.36 mmol) in DMF (3 mL) is added to a freshly prepared guanidine 2 (123 mg, 0.39 mmol) and the mixture is stirred at 140 °C for 2 h. The solvent is evaporated under reduced pressure. Water (10 mL) is added to the residue, and after 12 h at 4 °C, the precipitate formed is filtered, washed with water, and dried to obtain compound 3 in 85% yield.
- 1) Chemical Delivery System of Metaiodobenzylguanidine (MIBG) to the Central Nervous System
- 2) Stable enol esters from N-tert-butyl-5-methylisoxazolium perchlorate
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C of A & Other Certificates
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