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Quick Details

  • CAS No.: 302-79-4
  • Other Names: VITAMIN A ACID
  • MF: C20H28O2
  • EINECS No.: 206-129-0
  • Type: Anesthetic Agents, Anti-Allergic Agents, Antibiotic and Antimicrobial Agents, Antidote, Antipyretic Analgesics and NSAIDs, Blood System Agents, Cardiovascular Agents, Central Nervous System Agents, Disinfectant and Preservatives, Electrolyte Balance and Dialysis Agents, Endocrine System Agents, Urinary System Agents, Vitamins, Amino Acids and Coenzymes
  • Grade Standard: Medicine Grade, Tech Grade
  • Brand Name: ZHONGWEI
  • Model Number: ZWLLL
  • Purity: 98.0%~102%
  • MW: 300.44
  • Melting point: 180-181 °C(lit.)
  • storage temp.: 2-8°C
  • form: powder
  • Appearance: yellow
  • Water Solubility: insoluble
  • Merck: 14,8165
  • BRN: 2057223

Packaging & Delivery

Packaging Details 1g/bag, 1kg/bag or 25kg/fiber drum or as demand
Delivery Time within 1-3 days
Product Description

98% TC Tretinoin with cas 302-79-4 for API


Quick Details 

Chemical Name:  Tretinoin
CAS No.: 302-79-4

Product category: APIs
Molecular Fomula:  C20H28O2

Molecular weight: 300.44

Appearance: Yellow to light orange crystalline powder



Physical property of :


Tretinoin is the acid form of vitamin A and is also known as all-trans retinoic acid or ATRA. It is a drug commonly used to treat acne vulgaris and keratosis pilaris. It is available as a cream or gel It is also used to treat acute promyelocytic leukemia, and is sold for this indication by Roche under the brand name Vesanoid. It is also available as a generic.

Its success in treating acute promyelocytic leukemia was a major breakthrough in the treatment of this type of leukemia.It works in APL because the majority of cases involve a chromosomal translocation of chromosomes 15 and 17, which causes genetic fusion of the retinoic acid receptor gene to the promyelocytic leukemia  gene. This fusion PML-RAR protein is responsible for preventing immature myeloid cells from differentiating into more mature cells. This block in differentiation is thought to cause leukemia. ATRA acts on PML-RAR to lift this block, causing the immature promyelocytes to differentiate to normal mature blood cells thus decreasing promyelocytes.


Specification of :


Inspection Standard


Yellow to light orange crystalline powder

Melting Point

About 182°C





Loss on drying


Heavy Metals


Residue on ignition


Related Substances










Purpose and function of :


1. Retinoic Acid/Tretinoin is widely applied in pharmaceutical field, mainly used for the cure of dermatonosus like acne, ichthyosis and psoriasis abnormal, etc..Retinoic Acid/Tretinoin can be made into tretinoin or retinoic acid cream to cure acne or other unhealthy skin.


2. Retinoic Acid/Tretinoin is used for skin keratinocytes-resistant drugs and cell-induced differentation drug.


Packaging of :  

1g/bag, 1kg/bag or 25kg/fiber drum or as demand



Our Delivery

Our Delivery

For 1-10kg or other quantity, we will delivery it by courier like DHL, FEDEX, TNT or others. ( As customers demand)

For bulk order, we will delivery it by AIR or by SEA. ( As customers demand)


Our Services

Our services

1. Supply Technical support. (We can tell you how to use our product, you will increase production, and we can supply Technical support about how to increase production.

2. R&D support (We have professional R&D term, we can search new product with you if you need.)
3. The packing also can be according the customers` requirement
4. Any inquiries will be replied within 1 hours

5.  we provide Commercial Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.
6. Lowest price.

7. Prompt delivery. We have good cooperation with many professional forwarders, We can send the products to you once you confirm the order.

8. We can accept various payment methods, L/C, T/T, Paypal, Western Union etc.


Related Products


Company Information

Shandong Zhongwei Natural Products Engineering Co., LTD., It is founded in 2000, Our company focus on plant physiological active substances. Microbial engineering technology research, development, production, sales for the integration of high-tech enterprises. We committed in organic plant source of scientific and technological achievements to promote agricultural green products, technical services, green agricultural production for the society to give good technology, provides the high quality for the industry peers raw material products.
Our company researches with several scientific research institutions for technical cooperation. we have the domestic advanced natural beeswax, triacontanol, brassinolide and microbial gibberellin fermentation products. In octacosanol series products, royal jelly is guided the analysis quality by national cereals, oils and food quality supervision, inspection and supervision and testing center (Shanghai), It is safe and reliable.
In order to devote the scientific and technological to achievements to promote plant growth regulator, technical service, to be a developer of advanced technology. At the same time, we have other products to market: 1H-indole-3butanoic acid(IBA), 1H-Indole-3-acetic acid(IAA), 3-Indolepropionic acid(IPA), Forchlorfenuron (KT-30), 6-Furfurylaminopurine (6-KT), trans zeatin, 6-(gamma,gamma-dimethylallylamino)purine(2-IP), trans-Zeatin-riboside(ZR), 4-Chlorophenoxyacetic acid(4-CPA), Phenoxyacetic acid, 2-Naphthoxyacetic acid(BNOA), Naphthaleneacetic Acid(NAA), , DA-6, and other products.
In order to get better digest with our company’s research and development of scientific research, facilitate the broad masses of manufacturers to make better using of scientific formula, and we also provide water soluble liquid, powder series products (Forchlorfenuron, kinetin, gibberellin, zeatin, N6-isoamyl alkenyl adenine, trans-Zeatin-riboside, Triacontanol powder) and other products.
In order to give better technology to social organic green agricultural production , our company has four national department of agriculture fertilizer registration numbers. Developed functional fertilizer series product, versatility "Gai Duo Shou" products, "Da Fu Da Gui" products in fruit trees , "Gen Feng" series of products, They are using in pepper, tomato, strawberry, eggplant, cucumber, melon and other economic crops specific functional formula products. We get a positive effect after adopting by domestic and foreign well-known businesses and users, The increase rate is about 30% - 60%, It is becoming comprehensive product brand.
Shandong Zhongwei Natural Products Engineering Co., LTD., has unique production technology, continuous innovation the guiding force of spirit, a flexible market mechanism, for the society to realize organic agricultural modernization, the contribution of Zhongwei updated scientific and technological achievements. All of Zhongwei staff are willing to get common development, mutual benefit and win-win business with the domestic and foreign company in the business, Let’s get a big step in our business together!


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