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White Color Vtamin C Ascorbic Acid Powder Tretinoin Pharmaceutical Raw Material

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White Color Vtamin C Ascorbic Acid Powder Tretinoin Pharmaceutical Raw Material

Large Image :  White Color Vtamin C Ascorbic Acid Powder Tretinoin Pharmaceutical Raw Material

Product Details:

Place of Origin: China
Brand Name: R&M
Certification: GMP, SGS , ISO 9001:2008 , KOSHER
Model Number: 302-79-4

Payment & Shipping Terms:

Minimum Order Quantity: 100g
Price: USD
Packaging Details: vaccum packing of aluminum foil bag
Delivery Time: Within 7 Working Days
Supply Ability: 100t/month
Detailed Product Description
Name: Ascorbic Acid Other Name: Vtamin C
Appearance: Powder Molecular Formula:: C6H7NaO6
Cas: 50-81-7 Purity: 99.0%~100.5%
High Light:

ascorbic acid vitamin c


nutribiotic ascorbic acid



White Color Vtamin C Ascorbic Acid Powder Tretinoin Pharmaceutical Raw Material



Important Pharmaceutical Raw Material Tretinoin (VITAMIN A ACID)  Powder




1. Tretinoin is commonly used in dermatology drugs, which is the department of vitamin A


(Victoria methanol) metabolic intermediates.It mainly affects the growth of bones and epithelial



metabolism, can promote epithelial cell proliferation and updates, and can inhibit the proliferation



and differentiation of keratinocytes, so hyperkeratosis can be back to normal.



2. Therefore many complete or incomplete keratosis, hyperkeratosis of diseases have a certain



therapeutic effect, treat a variety of skin diseases. The use of the drug can penetrate topical skin



quickly, enable significantly increased epithelial cell turnover. This class of drugs has strong and



rapid inhibition on the secretion of the sebaceous glands, can reduce sebum secretion. In



addition, the product also has anti-tumor, promote wound healing and anti-inflammatory effects.



3. It is a yellow needle crystal, with a similar smell of vitamin acetate. Soluble in methanol, ethanol,



acetone, also in vegetable oil and fatty. In case of light, it is thermal instability, suck up moisture in



the air, polymerization and metamorphism in water. The melting point of all trans-vitamin A acid is



182 ~ 180°C, the melting range of which is mixed with a small amount of isomers is 170 ~ 190°C.



4. This product can induce epidermal hyperplasia, and improve the granular layer and the cell



layer thickness.It can influence the silk protein process and the formation of cross-linked film and



promote the differentiation of epidermal granular layer cells in the late stage of the differentiation



of the epidermal cells by affecting K10, K1 keratin solution.






Used in abnormal acne, ichthyosis and abnormal type of psoriasis. For the treatment of acne


vulgaris, psoriasis, ichthyosis, lichen planus, Mao Fahong rosea, follicular keratosis, squamous



cell carcinoma and melanoma, disease.



Pharmacology: Epidermal keratinocytes, dermal melanin cells and fibroblasts are the target cells



of A retinoic acid important. A retinoic acid can affect the formation of melanin melanin cells, its



role is more than point, has inhibitory effect on tyrosine hydroxylase, Doba oxidase and two



hydroxyindole oxidase three catalytic activity, thereby reducing the formation of melanin, reduce



skin pigmentation.






1. Used for usual acne, lichen planus, white spot, hair red pityriasis and facial pityriasis simplex

2. Also can be used as an auxiliary therapy for psoriasis.

3. Can also be used in the treatment of multiple verruca vulgaris, and abnormal keratinization of


various skin diseases such as ichthyosis, hair follicle keratinization disorder


4. For cancer prevention and treatment of precancerous lesions, Such as white spot of the oral


mucosa, laryngeal papilloma, stunting disease


5. Used for skin malignant tumor such as squamous cell carcinomas and basal cell carcinoma, mycosis enzyme disease


6. For acute early young granulocyte leukemia.




Lab Test Result:


Items Specification Results
Loss on drying ≤0.5% 0.02%
Residue on ignition ≤0.1% 0.04%
Heavy metals ≤0.002% <0.002%
Assay 98% - 100% 99.35%


Related substances(Reporting threshold 0.05%)

Isotretinoin ≤5.0% <0.05%
Impurity G ≤0.2% <0.05%
Single unknown impurity ≤0.10% RRT≈0.91<0.05%
Total impurities(Except Isotretinoin) ≤0.5% 0.01%


Residual solvents

Acetaldehyde ≤15ppm <15ppm
Ethyl acetate ≤5000ppm 865ppm


Microbiological limit tests

Bacteria ≤100CFU/g <20CFU/g
Molds and yeasts ≤100CFU/g <20CFU/g
Staphylococcus aureus and P.aeruginosa Absent Absent


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