Prudence Lifecare Pvt. Ltd.
4-Hydrazinobenzenesulfonamide HCl [4SPH]
Manufactured and supplied from our WHO-GMP, GLP and ISO 9001:2015 certified facility in Ankleshwar, Gujarat, India. This is one of the two starting materials used to build Celecoxib's pyrazole core, a selective COX-2 inhibitor NSAID.
![4-Hydrazinobenzenesulfonamide HCl [4SPH] (CAS 17852-52-7) chemical structure](/wp-content/uploads/hydrazinobenzenesulfonamide-hcl-chemical-structure.webp)
- CAS Number
- 17852-52-7
- PubChem CID
- 2794567
- Molecular Weight
- 223.68 g/mol
- Product Type
- API Intermediate
What is this intermediate?
4-Hydrazinobenzenesulfonamide HCl — commonly abbreviated 4SPH, and also listed on our own range as 4-Sulfonamido Phenyl Hydrazine Hydrochloride (same CAS number) — is a hydrazine-sulfonamide building block. It undergoes cyclocondensation with 1-(4-methylphenyl)-4,4,4-trifluorobutane-1,3-dione — also manufactured by Prudence Lifecare — to directly form Celecoxib's pyrazole core. Prudence Lifecare also manufactures the finished Celecoxib API.
4SPH – chemical name, synonyms & CAS number
4SPH (CAS 17852-52-7) is listed and searched under several names. Any of the identifiers below can be used when you send an enquiry to Prudence LifeCare.
- Product name: 4-Hydrazinobenzenesulfonamide HCl [4SPH]
- Chemical name (IUPAC): 4-hydrazinylbenzenesulfonamide; hydrochloride
- Also known as: 4-Sulfamoylphenylhydrazine Hydrochloride; 4-Hydrazinobenzenesulfonamide Hydrochloride; 4-Hydrazinobenzenesulfonamide HCl
- CAS number: 17852-52-7
- Molecular formula / weight: C6H10ClN3O2S / 223.68 g/mol
- Used in the synthesis of: Celecoxib (CAS 169590-42-5)
Application
- Celecoxib synthesis intermediate
- COX-2 inhibitor API manufacturing
- Custom synthesis & CDMO supply
- Pharmaceutical research & QC reference
Chemical & technical data
Full verified identifiers for this intermediate, cross-checked against PubChem and supplier reference data.
| Product Name | 4-Hydrazinobenzenesulfonamide HCl [4SPH] |
|---|---|
| CAS Number | 17852-52-7 |
| PubChem CID | 2794567 |
| Molecular Formula | C6H10ClN3O2S |
| Molecular Weight | 223.68 g/mol |
| IUPAC Name | 4-hydrazinylbenzenesulfonamide; hydrochloride |
| InChIKey | IKEURONJLPUALY-UHFFFAOYSA-N |
| Product Type | Active Pharmaceutical Ingredient (API) intermediate |
| Downstream API | Celecoxib (CAS 169590-42-5) |
Chemical identity data sourced and cross-verified via PubChem (CID 2794567). Also listed on our range as 4-Sulfonamido Phenyl Hydrazine Hydrochloride (same CAS number). Specification, purity grade, packaging and Certificate of Analysis details available on request.
Manufacturing & supply
Prudence Lifecare Pvt. Ltd., Unit-II of Prudence Pharma Chem (established 2003), is a WHO, GMP, GLP and ISO 9001:2015 certified Active Pharmaceutical Ingredient and intermediates manufacturer based in GIDC Ankleshwar, Gujarat, India. This intermediate is manufactured under the same quality systems that govern our full API and intermediates portfolio, supplying formulation companies, API manufacturers and contract manufacturers across India and exporting to Asia, Europe, Africa and the Middle East.
Quality, certifications & documentation
- WHO-GMP, GLP, ISO 9001:2015 and ISO 14001 certified facility
- Certificate of Analysis (CoA) available on request
- Custom purity/particle-size specifications available on request
Why choose Prudence Lifecare
- WHO, GMP, GLP and ISO-certified facility in Ankleshwar, Gujarat, India
- In-house manufacture of both major Celecoxib synthesis intermediates
- Also the manufacturer of the finished Celecoxib API
- Export experience across Asia, Europe, Africa and the Middle East
- Custom synthesis and contract manufacturing (CDMO) capability
Frequently asked questions
What is 4-Hydrazinobenzenesulfonamide HCl used for?
It undergoes cyclocondensation with 1-(4-methylphenyl)-4,4,4-trifluorobutane-1,3-dione to directly form Celecoxib's pyrazole core.
What is the CAS number of this intermediate?
17852-52-7.
What is the molecular formula of this intermediate?
C6H10ClN3O2S.
What is the molecular weight of this intermediate?
223.68 g/mol.
What is the PubChem CID of this intermediate?
2794567.
What is the full chemical name of 4SPH?
The chemical (IUPAC) name of 4SPH is 4-hydrazinylbenzenesulfonamide; hydrochloride. It is also known as 4-Sulfamoylphenylhydrazine Hydrochloride; 4-Hydrazinobenzenesulfonamide Hydrochloride; 4-Hydrazinobenzenesulfonamide HCl.
What is the 4SPH price in India?
The price of 4SPH depends on order quantity, grade, documentation requirements and destination. Share your requirement with the Prudence LifeCare sales team to receive a current quotation.
Who manufactures this intermediate in India?
Prudence Lifecare Pvt. Ltd. manufactures this intermediate at its WHO-GMP certified facility in Ankleshwar, Gujarat, India.
What other Celecoxib intermediate does Prudence Lifecare manufacture?
Prudence Lifecare also manufactures 1-(4-Methylphenyl)-4,4,4-trifluorobutane-1,3-dione (CAS 720-94-5), the other starting material used to build Celecoxib.
Does Prudence Lifecare also manufacture the finished Celecoxib API?
Yes, Prudence Lifecare manufactures Celecoxib (CAS 169590-42-5) to IHS, BP, EP and USP standards.
Does Prudence Lifecare export this intermediate internationally?
Yes, Prudence Lifecare exports its API and intermediates portfolio to Asia, Europe, Africa and the Middle East.
How can I request a quote or technical documentation?
Use the "Request a quote" button on this page or visit our Contacts page.
Which product has CAS number 17852-52-7?
CAS number 17852-52-7 identifies 4-Hydrazinobenzenesulfonamide HCl. Prudence LifeCare manufactures and supplies 4SPH (CAS 17852-52-7) from Ankleshwar, Gujarat, India.
What is the specification of 4SPH?
4SPH is supplied with a batch-wise Certificate of Analysis (CoA). Detailed specifications are shared on request.
Need pricing, a Certificate of Analysis, or technical documentation for this intermediate?
Contact our export sales team