(S)-5,7-Difluorochroman-4-ol

Name: (S)-5,7-Difluorochroman-4-ol
Brand: Vaqora Chemicals
SKU: VQ-027259

About (S)-5,7-Difluorochroman-4-ol

(S)-5,7-Difluorochroman-4-ol (CAS 942195-91-7) is an impurity of Tegoprazan offered by Vaqora Chemicals. Formula C9H8F2O2, molecular weight 186.15 g/mol. Systematically, it is named (4S)-5,7-difluoro-3,4-dihydro-2H-chromen-4-ol. It is also known as (4S)-5,7-difluorochroman-4-ol or EX-A4597.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Tegoprazan impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer (S)-5,7-Difluorochroman-4-ol in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Tegoprazan

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

Tegoprazan impurities

Specifications & identifiers

Chemical identifiers
Product name	(S)-5,7-Difluorochroman-4-ol
Catalogue No.	VQ-027259
CAS Number	942195-91-7
IUPAC name	(4S)-5,7-difluoro-3,4-dihydro-2H-chromen-4-ol
Molecular formula	C₉H₈F₂O₂
Molecular weight	186.15 g/mol
Exact mass	186.0492
Grade	Reference Standard
HSN code	38229090
InChIKey	HGTYMLFMXKYIQW-ZETCQYMHSA-N
SMILES	C1COC2=C([C@H]1O)C(=CC(=C2)F)F
PubChem CID	64985321

Physical properties
Physical form	Solid
LogP (XLogP3)	1.4
H-bond donors / acceptors	1 / 4
TPSA	29.5 Å²
Synonyms	(4S)-5,7-difluoro-3,4-dihydro-2H-1-benzopyran-4-ol, (4S)-5,7-difluorochroman-4-ol, EX-A4597, 5,7-Difluoro-3,4-dihydro-2H-1-benzopyran-4-ol, (4S)-, 2H-1-Benzopyran-4-ol, 5,7-difluoro-3,4-dihydro-, (4S)-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

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 (S)-5,7-Difluorochroman-4-ol?

The CAS Registry Number of (S)-5,7-Difluorochroman-4-ol is 942195-91-7. It is also known as (4S)-5,7-difluoro-3,4-dihydro-2H-1-benzopyran-4-ol, (4S)-5,7-difluorochroman-4-ol, EX-A4597.

What is the molecular formula and molecular weight of (S)-5,7-Difluorochroman-4-ol?

(S)-5,7-Difluorochroman-4-ol has the molecular formula C9H8F2O2 and a molecular weight of 186.15 g/mol. Its IUPAC name is (4S)-5,7-difluoro-3,4-dihydro-2H-chromen-4-ol.

What is (S)-5,7-Difluorochroman-4-ol used for?

(S)-5,7-Difluorochroman-4-ol is supplied as a characterised reference material related to Tegoprazan. 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 (S)-5,7-Difluorochroman-4-ol can I order?

We supply (S)-5,7-Difluorochroman-4-ol 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 (S)-5,7-Difluorochroman-4-ol?

Yes. Every lot of (S)-5,7-Difluorochroman-4-ol 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 (S)-5,7-Difluorochroman-4-ol be shipped internationally?

Yes. (S)-5,7-Difluorochroman-4-ol 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.