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CAS 171596-29-5 Tadalafil

CAS 171596-29-5 Tadalafil

Tadalafil is a chemical compound with the molecular formula C22H19N3O4. It is a medication that falls under the class of phosphodiesterase type 5 (PDE5) inhibitors. Tadalafil is commonly used for the treatment of erectile dysfunction (ED) and pulmonary arterial hypertension (PAH). Structurally, it is characterized by a pyrazino-pyrimidinone ring and a methyl piperazine moiety. Physically, tadalafil is typically a white to off-white crystalline powder.It is administered orally and is available in various dosage forms, such as tablets or capsules, for medicinal use. In terms of its pharmacological action, tadalafil works by inhibiting the enzyme PDE5, which is responsible for the degradation of cyclic guanosine monophosphate (cGMP) in the smooth muscle cells. By inhibiting PDE5, tadalafil increases the levels of cGMP, leading to relaxation of smooth muscles, vasodilation, and increased blood flow. This mechanism of action is particularly relevant to the treatment of ED, where enhanced blood flow to the penile tissue is essential for achieving and maintaining an erection.

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Москва
CAS 49851-31-2 2-Bromo-1-phenyl-pentan-1-one High Purity 100% Safe Delivery

CAS 49851-31-2 2-Bromo-1-phenyl-pentan-1-one High Purity 100% Safe Delivery

Quick Details Classification: Organic Intermediate Cas NO.: 49851-31-2 Name: 2-BROMO-1-PHENYL-PENTAN-1-ONE Molecular Formula: C11H13BrO Boiling Point: 282.267°C at 760 mmHg Refractive index:1.541 Flash Point: 42.513°C Purity: 98% no less than usage: intermediate

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Москва
CAS 62-44-2 Phenacetin Factory Supply

CAS 62-44-2 Phenacetin Factory Supply

Phenacetin is a chemical compound with the molecular formula C10H13NO2. It is an analgesic and antipyretic medication that was formerly used to alleviate pain and reduce fever. Structurally, phenacetin consists of an acetaminophen (paracetamol) molecule with an ethoxy group attached to the benzene ring. This ethoxy group distinguishes phenacetin from acetaminophen. In terms of physical properties, phenacetin is typically a white crystalline solid with a slightly sweet taste. It is sparingly soluble in water but more soluble in alcohol and other organic solvents. Phenacetin has been largely discontinued for medical use due to concerns about its safety, and its use has been replaced by safer alternatives, such as acetaminophen (paracetamol). It was found to be associated with an increased risk of kidney damage and the development of a condition known as methemoglobinemia, which reduces the ability of blood to carry oxygen. Additionally, prolonged use of phenacetin has been linked to an increased risk of kidney cancer.

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Москва