ChemicalBook >> CAS DataBase List >>4-Pyridinesulphonic acid
4-Pyridinesulphonic acid
- CAS No.
- 5402-20-0
- Chemical Name:
- 4-Pyridinesulphonic acid
- Synonyms
- PYRIDINE-4-SULFONIC ACID;NSC 5082;Pyridine-4-suL;4-Sulphopyridine;TAK438 Impurity 30;TAK438 Impurity 154;4-Pyridinesulfonicaci;4-Pyridinesulfonicacid;Vonoprazan Impurity 154;Pyridin-4-sulfonic acid
- CBNumber:
- CB6215149
- Molecular Formula:
- C5H5NO3S
- Molecular Weight:
- 159.16
- MDL Number:
- MFCD00234082
- MOL File:
- 5402-20-0.mol
- MSDS File:
- SDS
- TDS File:
- TDS
Last updated:2026-05-28 03:06:10
| Product description | Number | Pack Size | Price |
| 4-Pyridinesulphonic acid | FP168696 | 250mg | $312.5 |
| 4-Pyridinesulphonic acid | FP168696 | 500mg | $470 |
| 4-Pyridinesulphonic acid | FP168696 | 1000mg | $630 |
| Pyridine-4-sulphonic acid ≥95% | OR5271 | 250mg | $52 |
| Pyridine-4-sulfonic acid 97% | AS63278 | 1g | $248 |
| More product size | |||
| Melting point | 330℃ (DEC.) |
|---|---|
| Density | 1.509 |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| pka | -2.85±0.50(Predicted) |
| Appearance | White to off-white Solid |
| InChI | InChI=1S/C5H5NO3S/c7-10(8,9)5-1-3-6-4-2-5/h1-4H,(H,7,8,9) |
| InChIKey | PTWLOSARXIJRRJ-UHFFFAOYSA-N |
| SMILES | C1=NC=CC(S(O)(=O)=O)=C1 |
| FDA UNII | BS92GQS9EZ |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H302-H315-H319-H335 |
| Precautionary statements | P261-P280-P301+P312-P302+P352-P305+P351+P338 |
| Hazard Codes | C |
| HS Code | 2933399990 |
4-Pyridinesulphonic acid price More Price(56)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Biosynth | FP168696 | 4-Pyridinesulphonic acid | 5402-20-0 | 250mg | $312.5 | 2026-06-04 | Buy |
| Biosynth | FP168696 | 4-Pyridinesulphonic acid | 5402-20-0 | 500mg | $470 | 2026-06-04 | Buy |
| Biosynth | FP168696 | 4-Pyridinesulphonic acid | 5402-20-0 | 1000mg | $630 | 2026-06-04 | Buy |
| Apolloscientific | OR5271 | Pyridine-4-sulphonic acid ≥95% | 5402-20-0 | 250mg | $52 | 2026-06-04 | Buy |
| Activate Scientific | AS63278 | Pyridine-4-sulfonic acid 97% | 5402-20-0 | 1g | $248 | 2026-06-04 | Buy |
4-Pyridinesulphonic acid Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 116)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| career henan chemical co | +86-0371-86658258 | sales@coreychem.com | China | 29812 | 58 |
| Standardpharm Co. Ltd. | 86-714-3992388 | overseasales1@yongstandards.com | United States | 14332 | 58 |
| Alchem Pharmtech,Inc. | 8485655694 | sales@alchempharmtech.com | United States | 63687 | 58 |
| Wuhan Chemwish Technology Co., Ltd | 027-67849912 | sales@chemwish.com | CHINA | 10821 | 58 |
| Nanjing jinheyou Trading Co., Ltd. | 15705188088 | admin@jheyou.com | CHINA | 1268 | 58 |
| ShanghaiFineBiotechCoLtd | +8618717800556 18717800556 | sales@finebioetch.com | CHINA | 318 | 58 |
| ANHUI WITOP BIOTECH CO., LTD | +8618071025641 | eric@witopchemical.com | China | 23541 | 58 |
| Dideu Industries Group Limited | +86-29-89586680 +86-15129568250 | 1059@dideu.com | China | 29120 | 58 |
| Shanghai kingmorn biotechnology Co.,Ltd. | 021-62200788 15000569291 | 2199306478@qq.com | CHINA | 99 | 58 |
| Dayang Chem (Hangzhou) Co.,Ltd. | +86-0571-88938639 17705817739 | info@dycnchem.com | China | 52704 | 58 |
View Lastest Price from 4-Pyridinesulphonic acid manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-11-18 | 4-PYRIDINESULPHONIC ACID
5402-20-0
|
$1.10 | 1g | 99.00% | 100 Tons Min | Dideu Industries Group Limited | |
 |
2021-07-10 | 4-Pyridinesulfonicacid
5402-20-0
|
1g | 98% | Shanghai kingmorn biotechnology Co.,LTD. | |||
 |
2019-12-20 | 4-PYRIDINESULPHONIC ACID
5402-20-0
|
1g | 95%min | 20kg/month | Nanjing jinheyou Trading Co., Ltd. |
-
- 4-PYRIDINESULPHONIC ACID
5402-20-0
- $1.10
- 99.00%
- Dideu Industries Group Limited
-
- 4-Pyridinesulfonicacid
5402-20-0
- 98%
- Shanghai kingmorn biotechnology Co.,LTD.
-
- 4-PYRIDINESULPHONIC ACID
5402-20-0
- $0.00
- 95%min
- Nanjing jinheyou Trading Co., Ltd.
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