5336-08-3, D-Ribono-1,4-lactone, CAS:5336-08-3

5336-08-3,D-Ribono-1,4-lactone ,
CAS:5336-08-3
C5H8O5 / 148.11
MFCD00063241

D-核糖酸-1,4-内酯,D-Ribono-1,4-lactone

D-ribono-1,4-lactone is a five-membered form of ribonolactone having D-configuration. It has a role as a metabolite. It is a ribonolactone and a butan-4-olide. It derives from a D-ribonic acid.

Ribonolactone belongs to the class of organic compounds known as pentoses. These are monosaccharides in which the carbohydrate moiety contains five carbon atoms. Ribonolactone exists as a solid, soluble (in water), and a very weakly acidic compound (based on its pKa). Ribonolactone has been primarily detected in urine. Within the cell, ribonolactone is primarily located in the cytoplasm. Ribonolactone can be biosynthesized from D-ribonic acid.

CAS Number	5336-08-3
Product Name	D-Ribono-1,4-lactone
IUPAC Name	(3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-one
Molecular Formula	C5H8O5
Molecular Weight	148.11 g/mol
InChI	InChI=1S/C5H8O5/c6-1-2-3(7)4(8)5(9)10-2/h2-4,6-8H,1H2/t2-,3-,4-/m1/s1
InChI Key	CUOKHACJLGPRHD-BXXZVTAOSA-N
SMILES	C(C1C(C(C(=O)O1)O)O)O
Synonyms	D-(+)-Ribonic Acid γ-Lactone; D-(+)-Ribonolactone; D-Ribono-1,4-lactone; NSC 1031;
Canonical SMILES	C(C1C(C(C(=O)O1)O)O)O
Isomeric SMILES	C([C@@H]1[C@H]([C@H](C(=O)O1)O)O)O

COA:

D-Ribono-1,4-lactone CAS：5336-08-3

*Items*	*Standards*	*Results*
Appearance	White powder	Complies
Solubility	Clear to very slightly hazy colorless to faint yellow solution	Complies
MS and NMR	Should comply	Comply
Identification	IR and TLC	Comply
Loss weight on dryness	Max. 0.5%	0.2%
Residue on ignition	Max. 0.5%	0.1%
Purity by TLC	Min. 98%	Complies