Save 10% off your first order | Limited time offer | Create your account now
Loading...

BRAND

Sildenafil Impurity 20

Downloads

COA COO

Select a product

Sildenafil Impurity 20

Impurity

CAS Number

372089-76-4

Molecular Formula

C17H21N5O4S

Product format

Neat

Molecular Weight

391.45

API Family

Sildenafil Citrate

Synonyms

4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4, 7-dihydro-1H-pyrazolo[4 and 3-d] pyrimidin-5-yl)benzenesulfonamide

Iupac Name

4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4 and 5-d]pyrimidin-5-yl)benzenesulfonamide

InChI

InChI=1S/C17H21N5O4S/c1-4-6-12-14-15(22(3)21-12)17(23)20-16(19-14)11-9-10(27(18,24)25)7-8-13(11)26-5-2/h7-9H,4-6H2,1-3H3,(H2,18,24,25)(H,19,20,23)

Downloads

COA COO

Select a product

Available products

Pack Size SKU
Category Expected Delivery Price Quantity
25mg
CE4493.84-25MG

3-4 weeks

25mg
CD4493.84-25MG

3-5 weeks

25mg
CB4493.84-25MG

4-5 weeks

Request custom package size
Product added to your cart

Product Type

Impurity

Our Impurity Characterized Standards portfolio comprises more than 5,000 compounds accompanied by a comprehensive CoA which can be found in 3 product categories that include a set of different analytical techniques for determining Identity and Purity.

API

We have designed a range of primary API standards manufactured according to international regulations that come with the most extensive Certificate of Analysis which includes Identity checks by several techniques.

Excipient

Excipients standards comes with a detailed Certificate of Analysis with Identity, Purity and Assay data. They are also suitable for use with non-compendial analytical methods.

Custom
Synthesis

We offer tailor-made synthesis services of up to gram-quantities of materials for a wide range of pharmaceutical customers. The customer can order a specific molecule that is only synthesized on your request on the scale, with the purity and with the specification or methods you require.

Read more

Custom package size quote

Request pricing and delivery information for critical raw materials in your supply chain, unique large package sizes or bulk quantities that are not available on the website, and any other customization requests

Contact us

Customer attendance service