4-Acetamidophenol / Paracetamol for severe pain 103-90-2
What is Paracetamol ?
Paracetamol, also known as acetaminophen and APAP, is a medication used to treat pain and fever. It is typically used for mild to moderate pain relief. There is mixed evidence for its use to relieve fever in children. It is often sold in combination with other medications, such as in many cold medications. Paracetamol is also used for severe pain, such as cancer pain and pain after surgery, in combination with pain medication.
Paracetamol Basic Information
Synonyms:4-Acetamidophenol;4-Acetaminophenol;4'-Hydroxyacetanilide;4-Hydroxyacetanilide;4-(Acetylamino)Phenol;Acetaminophen;Acetyl-p-Aminophenol
CAS:103-90-2
MF: C8H9NO2
MW:151.16
EINECS: 203-157-5
General Description:Odorless white crystalline solid. Bitter taste. pH (saturated aqueous solution) about 6.
MP: 168-172 °C(lit.)
Density:1,293 g/cm3
Water Solubility:14 g/L (20 ºC)
Air & Water Reactions:Slightly soluble in water.
Reactivity Profile:4-Acetamidophenol is sensitive to light. Incompatible with strong oxidizers. .
Fire Hazard:Flash point data for 4-Acetamidophenol are not available; however, 4-Acetamidophenol is probably combustible.
Biological Activity: Cyclooxygenase inhibitor; may be selective for COX-3 (IC 50 values are 460, > 1000 and > 1000 μ M for canine COX-3, and murine COX-1 and COX-2 respectively). Widely used analgesic and antipyretic agent.
Paracetamol Uses
Analgesic; antipyretic. Dispersing agent in liquid scintillation counting.
Paracetamol specification

How to proceed your order:
Step 1: Please let me know the items you are favorable, quantities, and the destination country.
Step 2: You confirm all detail, and offer purchasing order.
Step 3: We send the detail price of our product and offer the suitable shipping method for reference.
Step 4: You confirm the order and pay mony 100% in advance and send us the detailed contacting information, including contacting person/company, address, mobile number, ZIP code and your special requirements.
Step 5: We arrange the shipment according to your requirements, and tracking code will be offered after claiming the payment within 24h, then you can track your parcel at any moment.
Step 6: We offer after-sales services after service after you receive your parcel.
What is Paracetamol ?
Paracetamol, also known as acetaminophen and APAP, is a medication used to treat pain and fever. It is typically used for mild to moderate pain relief. There is mixed evidence for its use to relieve fever in children. It is often sold in combination with other medications, such as in many cold medications. Paracetamol is also used for severe pain, such as cancer pain and pain after surgery, in combination with pain medication.
Paracetamol Basic Information
Synonyms:4-Acetamidophenol;4-Acetaminophenol;4'-Hydroxyacetanilide;4-Hydroxyacetanilide;4-(Acetylamino)Phenol;Acetaminophen;Acetyl-p-Aminophenol
CAS:103-90-2
MF: C8H9NO2
MW:151.16
EINECS: 203-157-5
General Description:Odorless white crystalline solid. Bitter taste. pH (saturated aqueous solution) about 6.
MP: 168-172 °C(lit.)
Density:1,293 g/cm3
Water Solubility:14 g/L (20 ºC)
Air & Water Reactions:Slightly soluble in water.
Reactivity Profile:4-Acetamidophenol is sensitive to light. Incompatible with strong oxidizers. .
Fire Hazard:Flash point data for 4-Acetamidophenol are not available; however, 4-Acetamidophenol is probably combustible.
Biological Activity: Cyclooxygenase inhibitor; may be selective for COX-3 (IC 50 values are 460, > 1000 and > 1000 μ M for canine COX-3, and murine COX-1 and COX-2 respectively). Widely used analgesic and antipyretic agent.
Paracetamol Uses
Analgesic; antipyretic. Dispersing agent in liquid scintillation counting.
Paracetamol specification
Items of analysis | Specification | Results | ||
Characters | White crystalline powder | Complies | ||
Identification | Complies with the test for Identification of paracetamol | Complies | ||
Chloride | ≤0.014% | <0.014% | ||
Sulfate | ≤0.02% | <0.02% | ||
Heavy metals | ≤0.001% | <0.001% | ||
Readily carboni-zable substance | ≤Matching fluid A | Complies | ||
Organic volatile impurities | Complies | Complies | ||
Residual solvents | Complies | Complies | ||
Sulfid | Complies | Complies | ||
Related substance 4-chloroacetanilde | Complies | Complies | ||
Melting Point | 168ºC~172ºC | 169.4ºC~170.3ºC | ||
4-Aminophenol | ≤0.005% | <0.005% | ||
Loss on drying | ≤0.5% | 0.04% | ||
Residue on ignition | ≤0.1% | 0.06% | ||
Assay | 99.0%~101.0% | 99.40% | ||
Conclusion | Qualified |

Products Name | Products CAS |
Tianeptine Sulfate | 1224690-84-9 |
Quinine | 130-95-0 |
5a-Hydroxy Laxogenin | 56786-63-1 |
Pregabalin | 148553-50-8 |
Tretinoin | 302-79-4 |
Tianeptine Sodium | 30123-17-2 |
Pramipexole | 104632-26-0 |
Tretinoin | 302-79-4 |
Tetramisole hydrochlorid | 5086-74-8 |
Paracetamol | 103-90-2 |
Tetracaine Hydrochloride | 136-47-0 |
How to proceed your order:
Step 1: Please let me know the items you are favorable, quantities, and the destination country.
Step 2: You confirm all detail, and offer purchasing order.
Step 3: We send the detail price of our product and offer the suitable shipping method for reference.
Step 4: You confirm the order and pay mony 100% in advance and send us the detailed contacting information, including contacting person/company, address, mobile number, ZIP code and your special requirements.
Step 5: We arrange the shipment according to your requirements, and tracking code will be offered after claiming the payment within 24h, then you can track your parcel at any moment.
Step 6: We offer after-sales services after service after you receive your parcel.