D-核糖-1,4-内酯

Description

D-Ribono-1,4-lactone · CAS 5336-08-3 · C5H8O5. UNII 64E63NC231. Melting Point: 83 - 85 °C.

Identification

CAS Registry Number	5336-08-3
PubChem CID	111064
Molecular formula	C5H8O5
IUPAC name	(3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-one
UNII (FDA)	64E63NC231

Computed Descriptors

Molecular Weight	148.11
XLogP3	-1.4
Hydrogen Bond Donor Count	3
Hydrogen Bond Acceptor Count	5
Rotatable Bond Count	1
Exact Mass	148.03717335
Monoisotopic Mass	148.03717335
Topological Polar Surface Area	87
Heavy Atom Count	10
Formal Charge	0

Physical & Chemical Properties

Melting Point	83 - 85 °C

Physical description & handling notes

• Solid

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Cosmetic ingredients (Ribonolactone) -> CIR (Cosmetic Ingredient Review)

Synonyms

Ribonolactone; (3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-one; D-Ribono-gamma-lactone; 64E63NC231; Ribonic acid, gamma-lactone, D-; NSC-1031; RefChem:883599; CHEBI:37434; 226-256-5; D-Ribono-1,4-lactone; 5336-08-3; D-Ribonolactone; D(+)-Ribonic acid gamma-lactone; 3327-63-7; Ribono-gamma-lactone; D-(+)-Ribono-1,4-lactone

Frequently Asked Questions

What are the CAS number and molecular formula of D-Ribono-1,4-lactone?

CAS 5336-08-3; molecular formula C5H8O5; molecular weight — g/mol.

What other names is D-Ribono-1,4-lactone known by?

Ribonolactone, (3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-one, D-Ribono-gamma-lactone, 64E63NC231, Ribonic acid, gamma-lactone, D-, NSC-1031.

What is the regulatory status of D-Ribono-1,4-lactone?

Documented regulatory listings: CIR / INCI: Cosmetic ingredients (Ribonolactone) -> CIR (Cosmetic Ingredient Review).

What are the key physical properties of D-Ribono-1,4-lactone?

Melting Point: 83 - 85 °C.

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.