CAS 19914-67-1

13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one

Description:

13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one, with the CAS number 19914-67-1, is a synthetic steroid compound that belongs to the class of progestins. It is characterized by its structural modifications that include an ethyl group at the 13-position and a hydroxyl group at the 17-position, which influence its biological activity and receptor binding affinity. This compound is typically used in research settings to study its effects on hormonal pathways and its potential applications in medicine, particularly in reproductive health. Its unique structure allows it to interact with progesterone receptors, potentially modulating various physiological processes. The compound is often evaluated for its pharmacological properties, including its efficacy, potency, and safety profile. As with many synthetic steroids, it is essential to handle this substance with care, considering its potential biological effects and regulatory status in various jurisdictions.

Formula: C₂₁H₂₈O₂

InChI: InChI=1/C21H28O2/c1-3-20-11-9-17-16-8-6-15(22)13-14(16)5-7-18(17)19(20)10-12-21(20,23)4-2/h2,17-19,23H,3,5-13H2,1H3/t17?,18-,19?,20+,21+/m1/s1

Synonyms:

• 17-Ethinyl-17-hydroxy-18-methylestr-5(10)-en-3-one
• 13-Ethyl-17a-ethynyl-17-hydroxygon-5(10)-en-3-one
• 13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one(Levonorgestrel Impurity B)
• EP Levonorgestrel Impurity B

Levonorgestrel EP Impurity B

CAS: 19914-67-1

Formula: C₂₁H₂₈O₂

Molecular weight: 312.45

Ref: ST-EA-CP-L19002

Levonorgestrel EP Impurity B

CAS: 19914-67-1

Formula: C₂₁H₂₈O₂

Color and Shape: White To Off-White Solid

Molecular weight: 312.45

Ref: 4Z-L-2219

Levonorgestrel impurity B

CAS: 19914-67-1

Formula: C₂₁H₂₈O₂

Purity: 95%~99%

Molecular weight: 312.453

Ref: BP-BPI023

13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one(Levo Norgestrel Impurity)

Controlled Product

CAS: 19914-67-1

Impurity Levonorgestrel EP Impurity B
Applications 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one (Levonorgestrel EP Impurity B) is an impurity of Levonorgestrel.
References McGinty, D., et al.: Endocrinology, 24, 829 (1939), Belanger, A., et al.: Steroids, 37, 361 (1981), Nieman, L., et al.: J. Clin. Endocrinol. Metab., 61, 536 (1985), Klebe, G., et al.: J. Med. Chem., 37, 4130 (1994),

Formula: C₂₁H₂₈O₂

Color and Shape: Neat

Molecular weight: 312.45

Ref: TR-E918935

13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one - EP

Controlled Product

CAS: 19914-67-1

13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one EP is an analytical standard and an impurity. It is used as the reference substance for HPLC drug analysis. It is also a metabolite that can be found in drugs such as metoprolol, clonidine, and propranolol. 13EP was first synthesized by a custom synthesis company to meet the needs of niche drug products. The synthetic compound has been shown to be natural and it is not chemically related to any other compounds.

Formula: C₂₁H₂₈O₂

Purity: Min. 95%

Molecular weight: 312.45 g/mol

Ref: 3D-IE23089