5'-inosine

Description

IMP · CAS 131-99-7 · C10H13N4O8P. UNII TAO7US05G5. Dissociation Constants: 2.4; Collision Cross Section: 174.9 Ų [M+H]+; Collision Cross Section: 171.5 Ų [M+Na]+.

Identification

CAS Registry Number	131-99-7
PubChem CID	135398640
Molecular formula	C10H13N4O8P
IUPAC name	[(2R,3S,4R,5R)-3,4-dihydroxy-5-(6-oxo-1H-purin-9-yl)oxolan-2-yl]methyl dihydrogen phosphate
UNII (FDA)	TAO7US05G5

Computed Descriptors

Molecular Weight	348.21
XLogP3	-3
Hydrogen Bond Donor Count	5
Hydrogen Bond Acceptor Count	10
Rotatable Bond Count	4
Exact Mass	348.04710038
Monoisotopic Mass	348.04710038
Topological Polar Surface Area	176
Heavy Atom Count	23
Formal Charge	0

Physical & Chemical Properties

Dissociation Constants	2.4
Collision Cross Section	174.9 Ų [M+H]+
Collision Cross Section	171.5 Ų [M+Na]+
Collision Cross Section	171.4 Ų [M-H]-
Collision Cross Section	166.6 Ų [M-2H+Na]-

Physical description & handling notes

• Odourless, colourless or white crystals or powder
• Solid
• Freely soluble in water, slightly soluble in ethanol
• Between 1,0 and 2,0 (5 % solution)
• 170.8 Ų [M+Na]+ [CCS Type: DT; Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]
• 174.3 Ų [M+H]+ [CCS Type: DT; Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]

Regulatory Status

Regulatory & Food Contact	FLAVOUR_ENHANCER: Food Additives NOT SPECIFIED Group ADI for inosinic acid and its calcium, dipotassium and disodium salts TRS 733-JECFA 29/25

Documented Uses

• Food Additives -> FLAVOUR_ENHANCER -> JECFA Functional Classes
• Adenine phosphoribosyltransferase deficiency (APRT)
• Adenylosuccinate Lyase Deficiency
• Gout or Kelley-Seegmiller Syndrome
• Total 20 pathways, visit the HMDB page for details

Synonyms

Inosinic acid; 5'-inosinic acid; 131-99-7; 5'-inosinate; 5'-IMP; Inosine-5'-monophosphoric acid; Cytosine inosinate; TAO7US05G5; 2'-inosine-5'-monophosphate; hypoxanthosine 5'-monophosphate; INS NO.630; CHEBI:17202; DTXSID80948097; INS-630; E-630; [(2R,3S,4R,5R)-3,4-Dihydroxy-5-(6-oxo-1H-purin-9-yl)oxolan-2-yl]methyl dihydrogen phosphate

Frequently Asked Questions

What are the CAS number and molecular formula of IMP?

CAS 131-99-7; molecular formula C10H13N4O8P; molecular weight — g/mol.

What other names is IMP known by?

Inosinic acid, 5'-inosinic acid, 131-99-7, 5'-inosinate, 5'-IMP, Inosine-5'-monophosphoric acid.

What is the regulatory status of IMP?

Documented regulatory listings: FLAVOUR_ENHANCER: Food Additives; NOT SPECIFIED; Group ADI for inosinic acid and its calcium, dipotassium and disodium salts.

What are the key physical properties of IMP?

Dissociation Constants: 2.4; Collision Cross Section: 174.9 Ų [M+H]+; Collision Cross Section: 171.5 Ų [M+Na]+; Collision Cross Section: 171.4 Ų [M-H]-.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.