text.skipToContent text.skipToNavigation

{{ addToCartData.mixPtRmWarning }}

Do you want to proceed?
{{requestQuote.productName}}; {{requestQuote.form.productCode}}

Thank you

We will respond to your enquiry shortly.

Something went wrong, please try again later.

 Bulk Order
{{ cartItemsCount }} 0
If not, click 'cancel'. You can also save this item for later.
Cancel
{{ cartItemsCount }} 0
If not, click 'cancel'. You can also save this item for later.
Cancel
Popular Regions
All Regions

5-[2-Ethoxy-5-[(4-methylpiperazin-1-yl)sulfonyl]phenyl]-1-methyl-3-(2-methylpropyl)-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one

Product Code

MM0254.30-0025

CAS Number

1391053-95-4

EP Description

Sildenafil Citrate Impurity A

USP Description

Sildenafil Related Compound A

Product Format

Neat

Molecular Formula

C23 H32 N6 O4 S

Molecular Weight

488.60

API Family

Sildenafil Citrate

Product Categories

Erectile dysfunction drugs, Impurity Reference Materials , Mikromol

Product Type

Impurity

Drug Type

Antihypertensives

Price and availability

48-hour USA dispatch time
{{ psProduct.packSize }}
{{ psProduct.code }}

{{ favouriteItem.successMessage }}

View favourites

Product removed from your favourites

{{ addToCartData.mixPtRmWarning }}

Do you want to proceed?
{{requestQuote.productName}}; {{requestQuote.form.productCode}}

Thank you

We will respond to your enquiry shortly.

Something went wrong, please try again later.

Documentation

Where shall we send your requested CoA?
Part number:  {{ coaPopupData.packSize.code }}

{{ errors.first('lotNumber') }}

{{ errors.first('requestEmail') }}
LGC will use your email address only for the purposes of providing the requested document.
For information about our data processing activities, please visit our Privacy Notice.

{{ coaPopupData.serverError }}
Where shall we send your requested CoA?

Enter your email address and we'll email you the relevant CoA for lots:
{{ coaPopupData.packSize.coaSelectedLotNumbers }}

{{ errors.first('coaEmail') }}

 By entering your email address, you confirm that you give your consent to LGC to share information in connection with the product(s) above and other similar products from time to time. LGC will process your personal data in accordance with all applicable data protection rules and regulations. For information relating to LGC’s data processing activities, please visit our Privacy Policy below (see footer).
Cancel
Thank you

We will be sending the CoA to your email address  {{ coaEmailPopupData.userEmail }}

Thank you

Your request has been sent to our sales team to process.
Where shall we send your requested SDS?
Part number:  {{ sdsPopupData.packSize.code }}

{{ errors.first('selectedRegion') }}

{{ errors.first('sdsEmail') }}

LGC will use your email address only for the purposes of providing the requested document.
For information about our data processing activities, please visit our Privacy Notice.

{{ sdsPopupData.serverError }}
Thank you

Your request has been sent to our sales team to process.

Product Information

Analyte Data

Analyte Name

5-[2-Ethoxy-5-[(4-methylpiperazin-1-yl)sulfonyl]phenyl]-1-methyl-3-(2-methylpropyl)-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one

CAS Number

1391053-95-4

Molecular Formula

C23 H32 N6 O4 S

Molecular Weight

488.60

Accurate Mass

488.2206

SMILES

CCOc1ccc(cc1C2=Nc3c(CC(C)C)nn(C)c3C(=O)N2)S(=O)(=O)N4CCN(C)CC4

InChI

InChI=1S/C23H32N6O4S/c1-6-33-19-8-7-16(34(31,32)29-11-9-27(4)10-12-29)14-17(19)22-24-20-18(13-15(2)3)26-28(5)21(20)23(30)25-22/h7-8,14-15H,6,9-13H2,1-5H3,(H,24,25,30)

IUPAC

5-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-1-methyl-3-(2-methylpropyl)-6H-pyrazolo[4,3-d]pyrimidin-7-one

Product Data

Storage Temperature

+5°C

Shipping Temperature

Room Temperature

Country of Origin

GERMANY

Product Type

Impurity

Product Format

Neat

Impurity Type

By-Product

API Family

Sildenafil Citrate

Why work with us?

At Mikromol, we go beyond the standard to produce high-quality, globally relevant pharmaceutical reference standards that you can trust. For more than 25 years we have delivered quality reference standards for analytical development, method validation, and stability and release testing to customers around the world.


Alongside a market-leading product range accredited to ISO 17034, the majority of our 5,000+ impurity, API and excipient reference standards are manufactured under ISO/IEC 17025 and accompanied by an extensive Certificate of Analysis.


With unparalleled depth of knowledge, decades of manufacturing experience and unrivalled scientific excellence, we work tirelessly to help you create ever better, safer medicines.


Explore our range
Mikromol
Punchout session timeout warning

Your punchout session will expire in1 min59 sec.

Select "Continue session" to extend your session.