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Levonorgestrel EP Impurity B

Name: Levonorgestrel EP Impurity B
Price: 100.00 USD
Availability: InStock

13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one; (1S,10R,11S,14R,15S)-15-Ethyl-14-ethynyl-14-hydroxytetracyclo[8.7.0.02,7.011,15]heptadec-2(7)-en-5-one ;

Specifications:

CAS No.

: 19914-67-1

Mol F.

: C₂₁H₂₈O₂

Mol W.

: 312.45

Cat No.

: SA23707

Appearance

In Stock

	Pack Size	Price	Availability
		Please Enquire	Please Enquire

Discounts May Apply — Please Enquire Now!

Product Name

: Levonorgestrel EP Impurity B

CAS No.

: 19914-67-1

Mol F.

: C₂₁H₂₈O₂

Mol W.

: 312.45

Cat No.

: SA23707

Appearance

Synonyms

: 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one; (1S,10R,11S,14R,15S)-15-Ethyl-14-ethynyl-14-hydroxytetracyclo[8.7.0.02,7.011,15]heptadec-2(7)-en-5-one ;

Related API

: Levonorgestrel

: Impurities, Levonorgestrel

Product quantity / packs as per your requirement, just let us know!

Please contact us or email us at enquiry@synthinkchemicals.com

Product Name

: Levonorgestrel EP Impurity B

CAS No.

: 19914-67-1

Mol F.

: C₂₁H₂₈O₂

Mol W.

: 312.45

Cat No.

: SA23707

Appearance

Synonyms

: 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one; (1S,10R,11S,14R,15S)-15-Ethyl-14-ethynyl-14-hydroxytetracyclo[8.7.0.02,7.011,15]heptadec-2(7)-en-5-one ;

Related API

: Levonorgestrel

: Impurities, Levonorgestrel

Product quantity / packs as per your requirement, just let us know!

Please contact us or email us at enquiry@synthinkchemicals.com

Terms and Conditions

CoA & Characterization Data	At no extra cost, we provide: 1H-NMR, Mass, HPLC, IR, TGA and Certificate of Analysis (with Purity and Potency.) In rare cases for purity and mass, we need to rely on alternative methods like 1H-NMR, ELSD, GC, GCMS etc. (Applicable for products under ‘Impurities’ category). Additional data will be provided upon request for an additional fee.
Shipping & Handling	Free all over India. Free for orders above $2000 else $100 to rest of the countries In stock products will be shipped in 24 Hrs (after verification of documents).For others please enquire.
Delivery Timeline	India: 2 to 3 business days International: 5 to 8 business days
Prices	Prices are on a CPT basis (Incoterms® 2020) and subject to change without notice.
Incoterms	CPT (Incoterms® 2020) or as mutually agreed upon
Taxes	For orders within India: GST (extra) For overseas orders: No GST. Any customs duties, taxes, or import charges applicable in the destination country are payable by the customer as per local laws.
Return Policy	Returns accepted within 15 days, for valid reasons only. (Check T&C for more info)
Order	Please send ‘purchase order’ by email: sales@synthinkchemicals.com (Click here for more info)
Payment Terms	Regular/returning customers: Due 30 days from invoice date New customers: 100% payment in advance
After Sales Support	Please write to us. Our R&D team will provide all possible support.

For more info please check FAQs.

Please check detailed terms and conditions.

Certificate of Analysis (CoA) & Characterization Data

With every product in impurity category, we provide comprehensive characterization data and a Certificate of Analysis (CoA) wherever possible. The data package typically includes:

1H-NMR (Proton Nuclear Magnetic Resonance)
Mass Spectrometry (MS)
High-Performance Liquid Chromatography (HPLC)
Infrared Spectroscopy (IR)
Thermogravimetric Analysis (TGA)
CoA (detailing Purity and Potency)

In rare cases, for purity estimations and mass alternative validated methods such as 1H-NMR, ELSD (Evaporative Light Scattering Detection), GC (Gas Chromatography) or GCMS may be used when standard tests are not feasible.

Additional data such as C-NMR, 13C-DEPT, HMBC-NMR, HMQC-NMR, COSY-NMR, NOESY-NMR, NOE-NMR, CHN analysis, Water Content, Structure Elucidation Reports, and more will be provided upon request for an additional fee.

For other categories like Building blocks, intermediates we provide, CoA with HPLC purity on request

This ensures you have all the necessary analytical data to verify the quality and identity of your impurity standards.

Retest CoA: We also offer retest Certificates of Analysis (CoA). To request a retest CoA, please submit your batch number through the ‘Request CoA’ form.

Request CoA or Retest CoA of this product:

This material is intended for use as a reference standard, working standard, or secondary reference standard, provided it has been properly characterized, identified, and qualified for its specific application. Additional internal validation may be necessary to comply with relevant FDA regulations and guidance.

Impurities, Levonorgestrel

Delta1 (10)-4, 5-dihydro-levonorgestrel

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: NA

Mol F.

: C21H28O2

Mol W.

: 312.46

Cat No.

: SA23729

Impurities, Levonorgestrel

10-α-Hydroxy Levonorgestrel

Please enquire for price & pack size

In Stock

CAS No.

: NA

Mol F.

: C21H28O3

Mol W.

: 328.45

Cat No.

: SA23728

Impurities, Levonorgestrel

10β-Hydroxy Levonorgestrel

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 21508-50-9

Mol F.

: C21H28O3

Mol W.

: 328.45

Cat No.

: SA23727

Impurities, Levonorgestrel

Levonorgestrel EP Impurity K

Please enquire for price & pack size

In Stock

CAS No.

: 793-55-5

Mol F.

: C19H28O2

Mol W.

: 288.42

Cat No.

: SA23726

Disclaimer

The product information provided on this webpage is based on the best available knowledge at the time of publication. However, accuracy and completeness are not guaranteed. The purchaser, user, or importer of record is responsible for verifying the product specifications and details at the time of ordering, as they may change without prior notice.

This product is intended strictly for research purposes and is not approved for animal or human consumption.

Levonorgestrel EP Impurity B

13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one; (1S,10R,11S,14R,15S)-15-Ethyl-14-ethynyl-14-hydroxytetracyclo[8.7.0.02,7.011,15]heptadec-2(7)-en-5-one ;

Specifications:

CAS No.

: 19914-67-1

Mol F.

: C₂₁H₂₈O₂

Mol W.

: 312.45

Cat No.

: SA23707

Appearance

Discounts May Apply — Please Enquire Now!

Product Name

: Levonorgestrel EP Impurity B

CAS No.

: 19914-67-1

Mol F.

: C₂₁H₂₈O₂

Mol W.

: 312.45

Cat No.

: SA23707

Appearance

Synonyms

: 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one; (1S,10R,11S,14R,15S)-15-Ethyl-14-ethynyl-14-hydroxytetracyclo[8.7.0.02,7.011,15]heptadec-2(7)-en-5-one ;

Related API

: Levonorgestrel

Category

: Impurities, Levonorgestrel

Product quantity / packs as per your requirement, just let us know!

Please contact us or email us at enquiry@synthinkchemicals.com

Product Name

: Levonorgestrel EP Impurity B

CAS No.

: 19914-67-1

Mol F.

: C₂₁H₂₈O₂

Mol W.

: 312.45

Cat No.

: SA23707

Appearance

Synonyms

: 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one; (1S,10R,11S,14R,15S)-15-Ethyl-14-ethynyl-14-hydroxytetracyclo[8.7.0.02,7.011,15]heptadec-2(7)-en-5-one ;

Related API

: Levonorgestrel

Category

: Impurities, Levonorgestrel

Product quantity / packs as per your requirement, just let us know!

Please contact us or email us at enquiry@synthinkchemicals.com

Terms and Conditions

For more info please check FAQs.

Please check detailed terms and conditions.

Certificate of Analysis (CoA) & Characterization Data

With every product in impurity category, we provide comprehensive characterization data and a Certificate of Analysis (CoA) wherever possible. The data package typically includes:

In rare cases, for purity estimations and mass alternative validated methods such as 1H-NMR, ELSD (Evaporative Light Scattering Detection), GC (Gas Chromatography) or GCMS may be used when standard tests are not feasible.

Additional data such as C-NMR, 13C-DEPT, HMBC-NMR, HMQC-NMR, COSY-NMR, NOESY-NMR, NOE-NMR, CHN analysis, Water Content, Structure Elucidation Reports, and more will be provided upon request for an additional fee.

For other categories like Building blocks, intermediates we provide, CoA with HPLC purity on request

This ensures you have all the necessary analytical data to verify the quality and identity of your impurity standards.

Retest CoA: We also offer retest Certificates of Analysis (CoA). To request a retest CoA, please submit your batch number through the ‘Request CoA’ form.

Request CoA or Retest CoA of this product:

Related Products

Impurities, Levonorgestrel

Delta1 (10)-4, 5-dihydro-levonorgestrel

CAS No.

: NA

Mol F.

: C21H28O2

Mol W.

: 312.46

Cat No.

: SA23729

Impurities, Levonorgestrel

10-α-Hydroxy Levonorgestrel

CAS No.

: NA

Mol F.

: C21H28O3

Mol W.