3,20-Bis(ethylenedioxy)pregna-5,7-diene

About 3,20-Bis(ethylenedioxy)pregna-5,7-diene

3,20-Bis(ethylenedioxy)pregna-5,7-diene is an ether building block carrying the CAS registry number 19592-55-3. Its molecular formula is C25H36O4 and its molecular weight is 400.5 g/mol.

Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Warning” with 8 hazard statements. Review the Safety Data Sheet before use.

Key uses span organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. SDS and detailed specification sheets can be requested with your quotation. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	3,20-Bis(ethylenedioxy)pregna-5,7-diene
Catalogue No.	VQ-036862
CAS Number	19592-55-3
IUPAC name	(9S,10R,13S,14R,17S)-10,13-dimethyl-17-(2-methyl-1,3-dioxolan-2-yl)spiro[1,2,4,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]
Molecular formula	C₂₅H₃₆O₄
Molecular weight	400.5 g/mol
Exact mass	400.2614
InChIKey	CFZNXPSHLNMZGD-VUBDRERZSA-N
SMILES	C[C@]12CC[C@H]3C(=CC=C4[C@@]3(CCC5(C4)OCCO5)C)[C@@H]1CC[C@@H]2C6(OCCO6)C
PubChem CID	71585147

Physical properties
Physical form	Other
LogP (XLogP3)	3.9
H-bond donors / acceptors	0 / 4
TPSA	36.9 Å²

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H410Very toxic to aquatic life with long lasting effects
H413May cause long lasting harmful effects to aquatic life

Precautionary statements: P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P391, 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 3,20-Bis(ethylenedioxy)pregna-5,7-diene?

The CAS Registry Number of 3,20-Bis(ethylenedioxy)pregna-5,7-diene is 19592-55-3. It is also known as 3,20-Bis(ethylenedioxy)pregna-5,7-diene/Proketal.

What is the molecular formula and molecular weight of 3,20-Bis(ethylenedioxy)pregna-5,7-diene?

3,20-Bis(ethylenedioxy)pregna-5,7-diene has the molecular formula C25H36O4 and a molecular weight of 400.5 g/mol. Its IUPAC name is (9S,10R,13S,14R,17S)-10,13-dimethyl-17-(2-methyl-1,3-dioxolan-2-yl)spiro[1,2,4,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane].

Which grade and pack sizes of 3,20-Bis(ethylenedioxy)pregna-5,7-diene can I order?

We supply 3,20-Bis(ethylenedioxy)pregna-5,7-diene, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 3,20-Bis(ethylenedioxy)pregna-5,7-diene?

Yes. Every lot of 3,20-Bis(ethylenedioxy)pregna-5,7-diene 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 3,20-Bis(ethylenedioxy)pregna-5,7-diene be shipped internationally?

Yes. 3,20-Bis(ethylenedioxy)pregna-5,7-diene 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.