3-Amino-1-propanesulfonic acid (CAS 3687-18-1) — formula C3H9NO3S, molecular weight 139.03 g/mol; category pharmaceutical intermediates and APIs.
3-Amino-1-propanesulfonic acid (CAS 3687-18-1) is a pharmaceutical intermediate or API 医药中间体及原料药. Its molecular formula C3H9NO3S comprises 3 C, 9 H, 1 N, 3 O, 1 S atoms. Its molecular weight is about 139.03 g/mol. Reported physicochemical data: LogP about -3.8. Pharmaceutical intermediates and APIs are critical building blocks for drug synthesis, with strict requirements on purity, impurities and process consistency. Used in API synthesis, formulation and pre-clinical research; supplied with COA and impurity-profile documentation. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 3687-18-1 |
|---|---|
| Molecular Formula | C3H9NO3S |
| Molecular Weight | 139.03 g/mol |
| LogP | -3.8 |
| Packaging | 25/50kg woven bags, 20/25/50kg fibre drums, 200kg plastic drums, 1000kg IBC (subject to order confirmation) |
| Applications | formulation and pre-clinical research, supplied with COA and impurity-profile documentation. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering |
| Category | Pharmaceutical Raw Materials |
Documented applications: formulation and pre-clinical research, supplied with COA and impurity-profile documentation. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering.
3-Amino-1-propanesulfonic acid is a pharmaceutical intermediate or API compound with CAS registry number 3687-18-1 and molecular formula C3H9NO3S (molecular weight 139.03 g/mol), belonging to the pharmaceutical intermediates and APIs segment of chemical raw materials.
CAS number: 3687-18-1
Its molecular formula C3H9NO3S comprises 3 C, 9 H, 1 N, 3 O, 1 S atoms.
Also known as: 3-Amino-1-propanesulfonic acid · 3-氨基丙烷磺酸
Category: pharmaceutical intermediates and APIs
The CAS registry number of 3-Amino-1-propanesulfonic acid is 3687-18-1.
Molecular formula C3H9NO3S, molecular weight 139.03 g/mol.
It is also registered under: 3-Amino-1-propanesulfonic acid, 3-氨基丙烷磺酸.
Recorded applications: formulation and pre-clinical research, supplied with COA and impurity-profile documentation. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering.
Category: Pharmaceutical Raw Materials.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for 3-Amino-1-propanesulfonic acid (CAS 3687-18-1), compiled from public chemistry databases.
| CAS Number | 3687-18-1 |
|---|---|
| PubChem CID | 1646 |
| Molecular Formula | C3H9NO3S |
| Molecular Weight | 139.03 g/mol |
| IUPAC Name | 3-aminopropane-1-sulfonic acid |
| InChIKey | SNKZJIOFVMKAOJ-UHFFFAOYSA-N |
| UNII (FDA) | 5K8EAX0G53 |
| Molecular Weight | 139.18 |
|---|---|
| XLogP3 | -3.8 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 3 |
| Exact Mass | 139.03031432 |
| Monoisotopic Mass | 139.03031432 |
| Topological Polar Surface Area | 88.8 |
| Heavy Atom Count | 8 |
Tramiprosate; Homotaurine; 3687-18-1; 1-Propanesulfonic acid, 3-amino-; 3-aminopropanesulphonic acid; Alzhemed; 3APS; 3-aminopropanesulfonic acid; 3-Aminopropane sulfonic acid; 3-aminopropylsulfonic acid; 3-APS; NC-531; Tramiprosato; 5K8EAX0G53; NSC-77071; DTXSID80190352
| Regulatory & food contact | CIR / INCI: Surfactant; Hydrotrope |
|---|---|
| GHS notifications | 10.9% (6 / 55) |
| GHS notifications | 10.9% (6 / 55) |
|---|---|
| Notified hazard statements | H315 (89.1%), H319 (89.1%), H335 (87.3%) |
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 3-氨基丙烷磺酸