Sildenafil Chlorosulfone Impurity

Name: Sildenafil Chlorosulfone Impurity
Brand: Zemixal
SKU: ZX-022764

Reference StandardAvailable on request

Order Sildenafil Chlorosulfone Impurity (CAS 139756-22-2) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes

Sildenafil Chlorosulfone Impurity chemical structure

CAS number139756-22-2

FormulaC₁₇H₁₉ClN₄O₄S

Molar mass410.9 g/mol

Physical formSolid

HS code38229090

InChIKeyRVVOSOSBFSYZDM-UHFFFAOYSA-N

IUPAC name4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-5-yl)benzenesulfonyl chloride

About Sildenafil Chlorosulfone Impurity

Zemixal lists Sildenafil Chlorosulfone Impurity for laboratories that identify, quantify or control Sildenafil and its related substances. For your records (Reference Standard), the material is defined by CAS 139756-22-2, formula C17H19ClN4O4S and molar mass 410.9 g/mol. It is handled as a solid.

Use cases we see most often

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Storage and safety notes

Classified under GHS with signal word Danger and hazard statements H314, H315, H319 and H335. Read the SDS before first use.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Sildenafil

See every impurity, metabolite and related compound we list for this API.

Sildenafil standards

Typical uses

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Sildenafil Chlorosulfone Impurity
Product name	Sildenafil Chlorosulfone Impurity
Catalogue number	ZX-022764
CAS number	139756-22-2
IUPAC name	4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-5-yl)benzenesulfonyl chloride
Molecular formula	C₁₇H₁₉ClN₄O₄S
Molar mass	410.9 g/mol
Exact mass	410.0816
Grade	Reference Standard
Physical form	Solid
XLogP3	2.5
H-bond donors / acceptors	1 / 6
Topological polar surface area	111 Å²
HS code	38229090
InChIKey	RVVOSOSBFSYZDM-UHFFFAOYSA-N
SMILES	CCCC1=NN(C2=C1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)Cl)OCC)C
PubChem CID	135496216
Synonyms	Sildenafil Chlorosulfonyl Impurity, Sildenafil Chlorosulfone, Sildenafil chlorosulfonyl, Sildenafil Impurity 7, 4-e

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Corrosive

Irritant or harmful

Signal word Danger

H314Causes severe skin burns and eye damage
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H413May cause long lasting harmful effects to aquatic life

Precautionary statements P260, P261, P264, P264 + P265, P271, P273, P280, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P316, P319, P321, P332 + P317, P337 + P317, P362 + P364, P363, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Sildenafil Chlorosulfone Impurity
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Sildenafil Chlorosulfone Impurity

Which CAS number identifies Sildenafil Chlorosulfone Impurity?

Sildenafil Chlorosulfone Impurity is registered under CAS 139756-22-2. You may also see it listed as Sildenafil Chlorosulfonyl Impurity, Sildenafil Chlorosulfone, Sildenafil chlorosulfonyl. Our catalogue number for this item is ZX-022764.

What are the formula and molar mass of Sildenafil Chlorosulfone Impurity?

For Sildenafil Chlorosulfone Impurity, its formula is C17H19ClN4O4S and its molar mass is 410.9 g/mol. The systematic (IUPAC) name is 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-5-yl)benzenesulfonyl chloride. InChIKey RVVOSOSBFSYZDM-UHFFFAOYSA-N lets you match it in any structure database.

How is Sildenafil Chlorosulfone Impurity used in pharmaceutical QC?

Sildenafil Chlorosulfone Impurity is a characterised reference material linked to Sildenafil. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Sildenafil Chlorosulfone Impurity?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Sildenafil Chlorosulfone Impurity?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Sildenafil Chlorosulfone Impurity to my country?

Yes. Because Sildenafil Chlorosulfone Impurity is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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