(3AR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran

Name: (3AR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran
Brand: Zemixal
SKU: ZX-027351

Reference StandardAvailable on request

Order (3AR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran (CAS 32785-90-3) online at Zemixal…

Pack sizes

(3AR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran chemical structure

CAS number32785-90-3

FormulaC₁₂H₁₉ClO₅

Molar mass278.73 g/mol

Physical formSolid

HS code38229090

InChIKeyJPOKXWDHLOMNQX-XBWDGYHZSA-N

IUPAC name(1R,2S,6R,9R)-6-(chloromethyl)-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo[7.3.0.02,6]dodecane

About (3AR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran

(3AR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran belongs to the Topiramate reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 32785-90-3, formula C12H19ClO5 and molar mass 278.73 g/mol. It is handled as a solid.

Use cases we see most often

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

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Topiramate

See every impurity, metabolite and related compound we list for this API.

Topiramate standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of (3AR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran
Product name	(3AR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran
Catalogue number	ZX-027351
CAS number	32785-90-3
IUPAC name	(1R,2S,6R,9R)-6-(chloromethyl)-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo[7.3.0.02,6]dodecane
Molecular formula	C₁₂H₁₉ClO₅
Molar mass	278.73 g/mol
Exact mass	278.0921
Grade	Reference Standard
Physical form	Solid
XLogP3	1
H-bond donors / acceptors	0 / 5
Topological polar surface area	46.2 Å²
HS code	38229090
InChIKey	JPOKXWDHLOMNQX-XBWDGYHZSA-N
SMILES	CC1(O[C@@H]2CO[C@@]3([C@H]([C@@H]2O1)OC(O3)(C)C)CCl)C
PubChem CID	168450788
Synonyms	D-Fructopiranose Hydrochloride

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of (3AR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about (3AR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran

Which CAS number identifies (3AR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran?

(3AR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran is registered under CAS 32785-90-3. You may also see it listed as D-Fructopiranose Hydrochloride. Our catalogue number for this item is ZX-027351.

What are the formula and molar mass of (3AR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran?

For (3AR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran, its formula is C12H19ClO5 and its molar mass is 278.73 g/mol. The systematic (IUPAC) name is (1R,2S,6R,9R)-6-(chloromethyl)-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo[7.3.0.02,6]dodecane. InChIKey JPOKXWDHLOMNQX-XBWDGYHZSA-N lets you match it in any structure database.

How is (3AR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran used in pharmaceutical QC?

(3AR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran is a characterised reference material linked to Topiramate. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for (3AR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with (3AR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship (3AR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran to my country?

Yes. (3AR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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