Gadolinium diethylenetriamine pentaacetic acid

Name	Gadopentetic acid
Synonyms	Gadopentetic GADOPENTETATE gadoliniumdtpa UNII-K2I13DR72L Gadolinium dtpa Gadopentetic acid GADOPENTETIC ACID Acido gadopentetico Acide gadopentetique Acidum gadopenteticum GADOPENTETIC ACID HYDRATE Acidum gadopenteticum [Latin] Acido gadopentetico [Spanish] Acide gadopentetique [French] Gadolinium diethylenetriamine pentaacetic acid GADOLINIUM(II) DIETHYLENETRIAMINEPENTAACETIC ACID, HYDRATE DIETHYLENETRIAMINEPENTAACETIC ACID, GADOLINIUM(III) DIHYDROGEN SALT HYDRATE Diethylenetriaminepentaacetic acid hydrate gadolinium(III) dihydrogen salt Gadolinate(2-), (N,N-bis(2-(bis(carboxymethyl)amino)ethyl)glycinato(5-))-, dihydrogen Gadolinate(2-), (N,N-bis(2-(bis((carboxy-kappaO)methyl)amino-kappaN)ethyl)glycinato(5-)-kappaN,kappaO)-, dihydrogen
CAS	80529-93-7
EINECS	1592732-453-0
InChI	InChI=1/C14H23N3O10.Gd/c18-10(19)5-15(1-3-16(6-11(20)21)7-12(22)23)2-4-17(8-13(24)25)9-14(26)27;/h1-9H2,(H,18,19)(H,20,21)(H,22,23)(H,24,25)(H,26,27);/q;+3/p-3

Hazard Symbols	Xi - Irritant
Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection
WGK Germany	3

biological activity	Gadopentetic acid (Gd-DTPA) is a paramagnetic contrast agent, usually by intravenous injection (I. v.) used in the DCE-MRI study. Initial concentration of gadopental acid (Gd-DTPA) in plasma. ([Gd-DTPA 0]) is an important parameter of DCE-MRI. [Gd-DTPA 0] correlates with the injected dose used and varies by subject. The dose of 0.025 mmol/kg Gd-DTPA can shorten the collection time and reduce the use time of the subjects. The Half-Life is 37 mins, the average residence time is 53.8 mins, and the AUC is 3.37 mmol/min/L.
uses	metal ion complexes widely used in magnetic resonance imaging for the diagnosis of brain tumors, central nervous system diseases, liver tumors, pituitary adenoma, multiple sclerosis and blood-brain barrier damage.
production method	is used as a water-soluble paramagnetic relaxation reagent in nuclear magnetic resonance spectroscopy studies. Gd-DTPA for short. Preparation Method 5g of Gd 2 O 3 was suspended in 60ml of water and added to 11g of H 5 (DTPA), and the resulting suspension was stirred and heated gently. Approximately 10h, all of the starting material had dissolved. After the solution had cooled to room temperature, 150ml of acetone was added, at which time a white precipitate formed in the form of a gel. The product is obtained by filtration and vacuum drying in the presence of phosphorus pentoxide.

Last Update：2024-04-10 22:29:15

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