Allopurinol CAS#: 315-30-0; ChemWhat Code: 53343
Names & Identifiers |
| Product Name | Allopurinol |
| Synonyms | Don’t Piao alcohol;Allopurinol 0;4-Hydroxy-1H-pyrazolo[3,4-d]pyrimidine,98%;Allopurinol (1H-Pyrazolo(3,4-d)pyrimidin-4-ol);ALLOPURINOL EP [DRUG AND DRUGS INTERMEDI;TIMTEC-BB SBB004202;ISOPURINOL;LABOTEST-BB LT00244764 |
| CAS Registry Number | 315-30-0 |
| Molecular Formula | C5H4N4O |
| Molecular Weight | 136.11 |
| EINECS | 206-250-9 |
| Other Registry Numbers | |
| More Identifiers on PubChem | IUPA Names, InChI, InChI Key, Canonical SMILES, etc. |
![]() |
|
Chemical & Physical Properties |
| Melting point | >300 °C(lit.) |
| Storage | Room temperature. |
| Solubulity | 1 M NaOH: soluble50mg/mL, clear to very slightly hazy, Colorless to faintly yellow |
| form | Powder |
| pka | 10.2(at 25℃) |
| Color | White or almost white |
| Water Solubility | 0.35 g/L (25 ºC) |
| Merck | 279 |
| InChIKey | OFCNXPDARWKPPY-UHFFFAOYSA-N |
| More Properties From PubChem | Topological Polar Surface Area, Monoisotopic Mass, etc. |
| NIST Chemistry Reference | Allopurinol(315-30-0) |
| EPA Substance Registry System | 4H-Pyrazolo[3,4- d]pyrimidin-4-one, 1,5-dihydro-(315-30-0) |
Safety & Hazards(Codes & Phrases) |
| Hazard Codes | T,Xi,Xn |
| R Phrase | 25-43-36/37/38-20/21/22 |
| S Phrase | 28-36/37-45-36/37/39-26-24-36 |
| RIDADR | UN 2811 6.1/PG 3 |
| WGK Germany | 2 |
| RTECS | UR0785000 |
| TSCA | Yes |
| Storage Class | 6.1 |
| Packing Group | III |
| Hazardous Substances Data | 315-30-0(Hazardous Substances Data) |
| More Safety & Hazards From PubChem | Signal, GHS Hazard Statements, Precautionary Statement Codes, etc. |
Literature |
| Literature on PubChem | Synthesis References, Metabolite References, etc. |
Patents |
| Patents on PubChem | Related Patents Of This Product |
Transportation, Storage & Usage |
| Transportation | No Information |
| Storage | No Information |
| Usage | No Information |
Spectral Properties |
| No Information |
Buy Reagent | |
| No reagent supplier? | Send quick inquiry to ChemWhat |
| Want to be listed here as a reagent supplier? (Paid service) | Click here to contact ChemWhat |
Approved Manufacturers | |
| Want to be listed as an approved manufacturer (Requires approvement)? | Please download and fill out this form and send back to approved-manufacturers@chemwhat.com |
Other Suppliers | |
| Watson International Limited | Visit Watson Official Website |
Contact Us for Other Help | |
| Contact us for other information or services | Click here to contact ChemWhat |


