Acetaminophen (CAS 103-90-2) — formula C8H9NO2, molecular weight 151.16; category pharmaceutical intermediates and APIs.
Acetaminophen (CAS 103-90-2) is a chemical raw material in the pharmaceutical intermediates and APIs category. Its molecular formula C8H9NO2 comprises 8 C, 9 H, 1 N, 2 O atoms. Its molecular weight is about 151.16. Reported physicochemical data: melting point around 336 to 342 °F (NTP, 1992), boiling point around >500, LogP about 0.5. 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 | 103-90-2 |
|---|---|
| Molecular Formula | C8H9NO2 |
| Molecular Weight | 151.16 |
| Melting Point | 336 to 342 °F (NTP, 1992) |
| Boiling Point | >500 |
| LogP | 0.5 |
| Applications | Registered for use in the US for control of brown tree snakes, Used to make azo dyes, photographic chemicals, and pharmaceuticals, as a stabilizer for hydrogen peroxide, and as a therapeutic analgesic and antipyretic |
| Category | Pharmaceutical Intermediates & APIs |
Documented applications: Registered for use in the US for control of brown tree snakes, Used to make azo dyes, photographic chemicals, and pharmaceuticals, as a stabilizer for hydrogen peroxide, and as a therapeutic analgesic and antipyretic.
Acetaminophen is a pharmaceutical intermediate or API compound with CAS registry number 103-90-2 and molecular formula C8H9NO2 (molecular weight 151.16), belonging to the pharmaceutical intermediates and APIs segment of chemical raw materials.
CAS number: 103-90-2
Its molecular formula C8H9NO2 comprises 8 C, 9 H, 1 N, 2 O atoms.
Also known as: Acetaminophen · 对乙酰氨基酚
Category: pharmaceutical intermediates and APIs
The CAS registry number of Acetaminophen is 103-90-2.
Molecular formula C8H9NO2, molecular weight 151.16.
It is also registered under: Acetaminophen, 对乙酰氨基酚.
Recorded applications: Registered for use in the US for control of brown tree snakes, Used to make azo dyes, photographic chemicals, and pharmaceuticals, as a stabilizer for hydrogen peroxide, and as a therapeutic analgesic and antipyretic.
Category: Pharmaceutical Intermediates & APIs.
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 Acetaminophen (CAS 103-90-2), compiled from public chemistry databases.
| CAS Number | 103-90-2 |
|---|---|
| PubChem CID | 1983 |
| Molecular Formula | C8H9NO2 |
| IUPAC Name | N-(4-hydroxyphenyl)acetamide |
| UNII (FDA) | 362O9ITL9D |
| Molecular Weight | 151.16 |
|---|---|
| XLogP3 | 0.5 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 151.063328530 |
| Monoisotopic Mass | 151.063328530 |
| Topological Polar Surface Area | 49.3 |
| Heavy Atom Count | 11 |
| Boiling Point | >500 |
|---|---|
| Boiling Point | >500 °C |
| Melting Point | 336 to 342 °F (NTP, 1992) |
| Melting Point | 168-172 |
| Melting Point | 168 °C |
| Melting Point | MP: 169-170.5 °C |
| Melting Point | 170 °C |
| Melting Point | 169-170 °C |
| Solubility | 1 to 5 mg/mL at 72 °F (NTP, 1992) |
| Solubility | In water, 14,000 mg/L at 25 °C |
acetaminophen; Paracetamol; 4-Acetamidophenol; 103-90-2; N-(4-Hydroxyphenyl)acetamide; Tylenol; APAP; 4'-Hydroxyacetanilide; Datril; Panadol; N-Acetyl-p-aminophenol; Acetaminofen; Algotropyl; p-Acetamidophenol; p-Hydroxyacetanilide; Doliprane
| Regulatory & food contact | CIR / INCI: Stabilizing |
|---|---|
| GHS notifications | 1.2% (5 / 432) |
| GHS notifications | 1.2% (5 / 432) |
|---|---|
| Notified hazard statements | H302 (98.1%), H315 (17.4%), H319 (17.1%), H412 (36.8%), H401, H411, H341, H370 |
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 对乙酰氨基酚