Inosine

Also known as: EINECS 200-390-4, Hypoxanthine, 9-beta-D-ribofuranosyl-, beta-D-Ribofuranoside, hypoxanthine-9, Inosinum, UNII-5A614L51CT (+15 more)

INCI: INOSINE

Inosine (CAS 58-63-9) is a cosmetic cosmetic ingredient functioning as Skin conditioning; skin protecting. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.

View industrial chemical safety profile for CAS 58-63-9 →

Auto-generated CPSR Part A draft with source citations
Function
Skin conditioning; skin protecting
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C10H12N4O5
MW
268.23 g/mol
EC Number
200-390-4
PubChem CID
135398641
IUPAC Name
9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1H-purin-6-one
InChIKey
UGQMRVRMYYASKQ-KQYNXXCUSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted — not on FDA prohibited/restricted lists (21 CFR 700)

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Inosine.

Calculate MoS for your specific formulation with the MoS Calculator.

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Intermediate
Tonnage Band
Intermediate use only
Substance Type
SUBSTANCE
SVHC Candidate
No

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Humectant Softener and conditioner

Expert Verdict

Expert safety assessment and concern-level summary for Inosine.

Known Synonyms

EINECS 200-390-4 Hypoxanthine, 9-beta-D-ribofuranosyl- beta-D-Ribofuranoside, hypoxanthine-9 Inosinum UNII-5A614L51CT (-)-Inosine 1,9-Dihydro-9-b-D-ribofuranosyl-6H-Purin-6-one 1,9-Dihydro-9-beta-D-ribofuranosyl-6H-purin-6-one 1,9-Dihydro-9-beta-delta-ribofuranosyl-6H-purin-6-one 9-[(2R,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-3H-purin-6-one 9-[(2R,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]-3H-purin-6-one 9-[(2R,3R,4R,5R)-3,4-dihydroxy-5-methylol-tetrahydrofuran-2-yl]-3H-purin-6-one 9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-6,9-dihydro-1H-purin-6-one 9-b-D-Ribofuranosyl-Hypoxanthine 9-b-D-Ribofuranosylhypoxanthine 9-beta-D-Ribofuranosyl-Hypoxanthine 9-beta-D-ribofuranosyl-9H-purin-6-ol 9-beta-D-ribofuranosylhypoxanthine 9-beta-delta-Ribofuranosyl-Hypoxanthine 9-beta-delta-Ribofuranosylhypoxanthine

Chemical Function

Humectant Softener and conditioner

Regulatory Lists

pharmaceutical Canada; pharmaceutical Canada; pharmaceutical

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

Compound
INOSINE
ChEMBL ID
CHEMBL1556
Max Phase
3
Adverse Event Associations
6
View full pharmaceutical profile →

Frequently Asked Questions

Is Inosine safe in cosmetics?

Inosine has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is Inosine allowed in the EU?

Inosine EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Inosine do in cosmetics?

Inosine functions as: Skin conditioning; skin protecting. It is classified as a cosmetic ingredient in our database. CAS number: 58-63-9.

Is Inosine used outside cosmetics?

Inosine also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Related Ingredients

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Excellent Same category
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Acetyl Glycyl Beta-Alanine
Excellent Same category
Skin conditioning agent with melanin ...
Acetyl Tripeptide-1
Excellent Same category
Skin Conditioning
Acetylneuraminic Acid
Excellent Same category
Skin Conditioning, Skin Protecting
Acetylphytosphingosine
Excellent Same category
Skin Conditioning, Hair Conditioning;...
(AGARICUS BLAZEI FERMENT + GANODERMA LUCIDUM FERMENT + GANODERMA MULTIPILEUM FERMENT) EXTRACT
Good Similar safety
Anti-sebum, Antioxidant, Skin Protecting
(ANGELICA ACUTILOBA/PAEONIA LACTIFLORA/REHMANNIA GLUTINOSA) ROOT/CNIDIUM OFFICINALE RHIZOME EXTRACT
Good Similar safety
Skin Conditioning, Skin Conditioning ...
(ANGELICA ACUTILOBA/PAEONIA LACTIFLORA/REHMANNIA GLUTINOSA/SCUTELLARIA BAICALENSIS) ROOT/(CNIDIUM OFFICINALE/COPTIS CHINENSIS) RHIZOME/GARDENIA JASMINOIDES FRUIT/PHELLODENDRON CHINENSE BARK EXTRACT
Good Similar safety
(ANGELICA GIGAS/GLYCYRRHIZA URALENSIS/REHMANNIA GLUTINOSA ROOT)/ANGELICA GIGAS STEM/CARTHAMUS TINCTORIUS FLOWER/(CARTHAMUS TINCTORIUS/PRUNUS PERSICA SEED)PORIA COCOS WATER
Good Similar safety
Humectant, Skin Conditioning, Skin Pr...
(ANGELICA KEISKEI/CHRYSANTHEMUM ZAWADSKII) LEAF/STEM/CINNAMOMUM CASSIA BARK/TRICHOSANTES KIRILOWII FRUIT/ULMUS DAVIDIANA BARK/ROOT/(PAEONIA JAPONICA/BUPLEURUM FALCATUM/POLYGALA TENUIFOLIA ROOT)/VISCUS ALBUM STEM EXTRACT
Good Similar safety
Anti-seborrheic, Anti-sebum, Antioxid...
(APPLE/CITRUS JUNOS/LENTIL/PEAR/PUMPKIN/STRAWBERRY/TOMATO FRUIT)/CORN KERNEL/(ARCTIUM LAPPA/BRASSICA OLERACEA ACEPHALA/CABBAGE/CAMELLIA SINENSIS/MORINGA OLEIFERA/RADISH/SPINACH LEAF)/(SORGHUM BICOLOR LEAF/STEM)/OAT MEAL/POTATO PULP/(CARROT/NELUMBO NUCIFERA/RADISH/WILD YAM ROOT)/(AMARANTHUS HYPOCHONDRIACUS/CASHEW/CICER ARIETINUM/COIX LACRYMA-JOBI MA-YUEN /MACADAMIA TERNIFOLIA/PHASEOLUS ANGULARIS/PISTACIA VERA/RHYNCHOSIA NULUBILIS/RICE/SESAME/SETARIA ITALICA/SOYBEAN/SWEET ALMOND/WHEAT SEED)/HORDEUM VULGARE SPROUT/CYPERUS ESCULENTUS TUBER/ARTEMISIA PRINCEPS/BROCCOLI/CHENOPODIUM QUINOA/ENTEROMORPHA COMPRESSA/HORDEUM VULGARE/IPOMOEA BATATAS/LAMINARIA JAPONICA/LENTINUS EDODES/PLEUROTUS OSTREATUS/PORPHYRA TENERA/UNDARIA PINNATIFIDA EXTRACT
Good Similar safety
Antioxidant
Adenosine
Excellent Chemical family
Skin-conditioning agent, anti-aging, ...
Biotin
Good Chemical family
Scalp conditioning; hair care active
Caffeine
Good Chemical family
active / lipolytic / antioxidant

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