(-)-Neomenthol

Name: (-)-Neomenthol
Brand: Vaqora Chemicals
SKU: VQ-030465

About (-)-Neomenthol

(-)-Neomenthol is an impurity of Emtricitabine carrying the CAS registry number 20747-49-3. Formula C10H20O, molecular weight 156.26 g/mol. Systematically, it is named (1R,2R,5S)-5-methyl-2-propan-2-ylcyclohexan-1-ol. Alternative names: l-Neomenthol and (1R,3R,4S)-p-Menth-3-ol.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Emtricitabine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, (-)-Neomenthol is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Emtricitabine

View every impurity, metabolite and intermediate we list for Emtricitabine.

Emtricitabine impurities

Specifications & identifiers

Chemical identifiers
Product name	(-)-Neomenthol
Catalogue No.	VQ-030465
CAS Number	20747-49-3
IUPAC name	(1R,2R,5S)-5-methyl-2-propan-2-ylcyclohexan-1-ol
Molecular formula	C₁₀H₂₀O
Molecular weight	156.26 g/mol
Exact mass	156.1514
Grade	Reference Standard
HSN code	38229090
InChIKey	NOOLISFMXDJSKH-IVZWLZJFSA-N
SMILES	C[C@H]1CC[C@@H]([C@@H](C1)O)C(C)C
PubChem CID	6566020

Physical properties
Physical form	Solid
LogP (XLogP3)	3
H-bond donors / acceptors	1 / 1
TPSA	20.2 Å²
Synonyms	l-Neomenthol, (1R,3R,4S)-p-Menth-3-ol, (-)-(1R,2R,5S)-Neomenthol, Cyclohexanol, 5-methyl-2-(1-methylethyl)-, (1R-(1alpha,2alpha,5beta))-, (1R)-(+)-neomenthol, (1R,2R,5S)-5-methyl-2-(propan-2-yl)cyclohexan-1-ol, Cyclohexanol, 5-methyl-2-(1-methylethyl)-, (1R,2R,5S)-, (1R,2R,5S)-5-Methyl-2-(1-methylethyl)cyclohexanol, rel-(1R,2R,5S)-2-Isopropyl-5-methylcyclohexan-1-ol

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P337 + P317, P362 + P364

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of (-)-Neomenthol?

The CAS Registry Number of (-)-Neomenthol is 20747-49-3. It is also known as l-Neomenthol, (1R,3R,4S)-p-Menth-3-ol, (-)-(1R,2R,5S)-Neomenthol.

What is the molecular formula and molecular weight of (-)-Neomenthol?

(-)-Neomenthol has the molecular formula C10H20O and a molecular weight of 156.26 g/mol. Its IUPAC name is (1R,2R,5S)-5-methyl-2-propan-2-ylcyclohexan-1-ol.

What is (-)-Neomenthol used for?

(-)-Neomenthol is supplied as a characterised reference material related to Emtricitabine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of (-)-Neomenthol can I order?

We supply (-)-Neomenthol in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with (-)-Neomenthol?

Yes. Every lot of (-)-Neomenthol is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can (-)-Neomenthol be shipped internationally?

Yes. (-)-Neomenthol is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.