3-Alfa,5-beta-Tetrahydro Levonorgestrel

About 3-Alfa,5-beta-Tetrahydro Levonorgestrel

3-Alfa,5-beta-Tetrahydro Levonorgestrel is an alcohol building block carrying the CAS registry number 19351-16-7. The compound has the formula C21H32O2, corresponding to a molecular weight of 316.5 g/mol. Common synonyms include 3alpha,5beta-Tetrahydro levonorgestrel and 3alpha,5beta-Tetrahydronorgestrel.

Keep the container tightly sealed and store it in a cool, dry area. Handle it with standard laboratory precautions and appropriate personal protective equipment.

It is commonly used for organic synthesis and API synthesis. Our customers for this product work in 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. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	3-Alfa,5-beta-Tetrahydro Levonorgestrel
Catalogue No.	VQ-048878
CAS Number	19351-16-7
IUPAC name	(3R,5R,8R,9R,10S,13S,14S,17R)-13-ethyl-17-ethynyl-2,3,4,5,6,7,8,9,10,11,12,14,15,16-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol
Molecular formula	C₂₁H₃₂O₂
Molecular weight	316.5 g/mol
Exact mass	316.2402
InChIKey	PTHVTSMKEGKAHY-UJCQGIJZSA-N
SMILES	CC[C@]12CC[C@@H]3[C@H]4CC[C@H](C[C@H]4CC[C@H]3[C@@H]1CC[C@]2(C#C)O)O
PubChem CID	71752466

Physical properties
Physical form	Other
LogP (XLogP3)	4.1
H-bond donors / acceptors	2 / 2
TPSA	40.5 Å²
Synonyms	3alpha,5beta-Tetrahydro levonorgestrel, 3alpha,5beta-Tetrahydronorgestrel, 3a,5b-Tetrahydro Norgestrel, 3alpha,5beta-Tetrahydro Norgestrel, Levonorgestrel metabolite 3alpha,5beta-tetrahydronorgestrel, 18,19-Dinorpregn-20-yne-3,17-diol, 13-ethyl-, (3alpha,5beta,17alpha)-

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-Alfa,5-beta-Tetrahydro Levonorgestrel?

The CAS Registry Number of 3-Alfa,5-beta-Tetrahydro Levonorgestrel is 19351-16-7. It is also known as 3alpha,5beta-Tetrahydro levonorgestrel, 3alpha,5beta-Tetrahydronorgestrel, 3a,5b-Tetrahydro Norgestrel.

What is the molecular formula and molecular weight of 3-Alfa,5-beta-Tetrahydro Levonorgestrel?

3-Alfa,5-beta-Tetrahydro Levonorgestrel has the molecular formula C21H32O2 and a molecular weight of 316.5 g/mol. Its IUPAC name is (3R,5R,8R,9R,10S,13S,14S,17R)-13-ethyl-17-ethynyl-2,3,4,5,6,7,8,9,10,11,12,14,15,16-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol.

Which grade and pack sizes of 3-Alfa,5-beta-Tetrahydro Levonorgestrel can I order?

We supply 3-Alfa,5-beta-Tetrahydro Levonorgestrel, 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-Alfa,5-beta-Tetrahydro Levonorgestrel?

Yes. Every lot of 3-Alfa,5-beta-Tetrahydro Levonorgestrel 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-Alfa,5-beta-Tetrahydro Levonorgestrel be shipped internationally?

Yes. We export 3-Alfa,5-beta-Tetrahydro Levonorgestrel worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.