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Product name | Cyproheptadine Hydrochloride |
CAS no. | 41354-29-4 |
Molecular Formula | C21H22ClN |
Molecular Weight | 323.86 |
Brand Name | HNB |
Description:
Cyproheptadine is a anti-allergic agent that counteracts the effects of histamine on blood vessels and bronchial smooth muscles, thereby eliminating allergy symptoms. Cyproheptadine can be used for allergic reactions such as urticaria, eczema, allergic and contact dermatitis, and itchy skin.
Cyproheptadine (Diphenylcycloheptadine) Cyproheptadine is an anti-allergic drug that counteracts the effect of histamine on blood vessels and bronchial smooth muscle in the body, thereby eliminating allergic symptoms. Cyproheptadine can be used for allergic reactions such as urticaria, eczema, allergic and contact dermatitis, and itchy skin.
Cyproheptadine hydrochloride is also called second benzene heptyl organism, partial pain, e thyl benzene ring heptyl organism, anti root, is a kind of six hydrogen pyri dine class antihistamines, can compete with the release of histamine of H1 receptor on the effector cells, so as to prevent the onset of allergic reactions, remove the cause spasm of histamine Chemicalbook and congestion, this product has strong H1 receptor antagonist, The antihistamine effect is stronger than that of prulamine and promethazine. Have mild, moderate anti - 5- hydroxytryptamine effect and anti - choline effect. In addition, still have the action that stimulates appetite, the visible weight after taking certain time increases.
Cyheptadine hydrochloride is a white or yellowish crystalline powder, almost odorless and slightly bitter in taste. Soluble in me thanol, soluble in chloro form, slightly soluble in ethanol, slightly soluble in water, and almost insoluble in ether.
Clinical cyproheptadine hydrochloride is mainly used for acute or chronic urticaria (especially cold sex urticaria has fine effect), papular urticaria, angioedema, atopic eczema, contact dermatitis, food allergy, drug allergy, allergic rhinitis, hay fever, allergic conjunctival Chemicalbook inflammation, insect stings, allergy and migraine. It has certain therapeutic effect on bronchial asthma. It can also be used for the adjuvant treatment of Cushing's syndrome and acromegaly. It can also be used as an appetite enhancer for neurophobias. There are reports on the treatment of acanthosis nigricans and the prevention of pyoderma necrotizing.
It is white or light yellow crystalline powder, odorless and slightly bitter in taste. It is soluble in water, ethanol, chlororm, meanol, and almost insoluble in ether.
Pharmacology and application
Antihistamines have stronger H1 receptor antagonism than chlorpheniramine, and have mild to moderate anti-ECTkey=serotonin target=_blank>serotonin and anticholinergic effects. It can also stimulate appetite and increase weight.
Function Indication
It can be used for urticaria, eczema, allergic and contact dermatitis, skin itching, rhinitis, migraine, bronchial asthma, etc. Skin itching usually disappears within 2 to 3 days after taking the medicine. It also has a certain effect on Cushing's disease and acromegaly.
Usage and dosage
oral. Adults: 4-20 mg daily, divided into 3 to 4 times. Children: 2 to 6 years old, 2 mg each time, 2 to 3 times a day; 7 to 14 years old, 4 mg each time, 2 to 3 times a day.
Test Item | Specification | Result |
Appearance | White or almost white crystalline powder | White crystalline powder |
Identification | Complies | Complies |
PH | 4.0~5.5 | 4.8 |
Water | 4.0%~8.0% | 5.60% |
Specific Optical Rotation (anhydrous substance) |
+149° ~+158° | +156.0° |
Absorbance at 330nm | ≤ 0.05 | 0.012 |
Absorbance at 262nm (anhydrous substance) |
220-245 | 231.9 |
Assay(anhydrous substance) | 95.0%~102.0% | 99.8% |
Related Substances Impurity B Any Other Impurity Total |
≤ 1.0% ≤ 1.0% ≤ 3.0% |
0.00 0.04 0.12 |
Sulphated Ash | ≤ 0.2% | 0.02% |
N, N-Dimethylaniline | Not more than 20ppm | Not detected |
Appending Item Bulk Density (g/ml) Tapped Density (g/ml) |
---- ---- |
0.56 0.79 |
Conclusion: This batch complies with the specification |