Product details
Bulk supply and Contract manufacturing of Fine Chemicals,Pharmaceutical Intermediates,APIs from kilos to tons


  • CAS:


  • Synonym:

    Vitamin A Acid
    all-trans-retinoic acid
    all-trans-β-Retinoic acid
    (2E,4E,6E,8E)-3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid
    all-trans-3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraenoic Acid


CAS No: 302-79-4
Product Name: Tretinoin
Other Name:
Vitamin A Acid
all-trans-retinoic acid
all-trans-β-Retinoic acid
(2E,4E,6E,8E)-3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid
all-trans-3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraenoic Acid
Density: 1.0±0.1 g/cm3
Boiling Point: 462.8±14.0 °C at 760 mmHg
Melting Point: 179-184ºC
Molecular Formula: C20H28O2
Molecular Weight: 300.435
Flash Point: 350.6±11.0 °C
Exact Mass: 300.208923
PSA: 37.30000
LogP: 6.83
Vapour Pressure: 0.0±2.5 mmHg at 25°C
Index of Refraction: 1.556
Storage condition: 2-8°C
Stability: Store Dry in Freezer at -20°C for up to 1 year; in Solution at -20°C for up to 3 Months.
Water Solubility: insoluble
Assay HPLC: 98.0% - 102.0%
Appearance: Fine yellow crystal powder
Odor: Characteristic
IR Identification: Past the test
UV Identification: Past the test
Solubility: Practically insoluble in water; Soluble in methylene chloride; Slightly soluble in 96% ethanol
Melting Point: Around 182 °C
Particle Size: 100% pass 110mesh
Loss on Drying: ≤0.50%
Sulfated ash: ≤0.10%
Heavy Metals: ≤20ppm
Related Substances
Impurity A: ≤0.50%
Unspecified Impurities: ≤0.20%
Total Impurities: ≤1.00%
Residue on Ignition: ≤0.10%
Topical retinoids have a strong pharmacological effect when applied topically to the skin. Topical retinoids can improve the skin aging due to sun exposure. This product has significant curative effects on various skin diseases such as acne, ichthyosis, pityriasis furuncle, and common warts. This product can be used as an adjuvant treatment for psoriasis. Can eliminate fine wrinkles, reduce the roughness of the skin, reduce pigmentation, and make the skin ruddy. This product can be used as a pharmaceutical intermediate.
Package: 25kg/drum, can also be designed according to customer requirements.
Storage: Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

We have leading technology and rich synthesis experience, and our professional R&D team is currently in the leading position in China.It is a high-tech enterprise integrating R&D, production and sales of APIs, pharmaceutical intermediates, fine chemicals and special catalysts.Has a group of experienced researchers in the field of organic synthetic chemistry, with the ability to solve problems and troubleshoot.Our company has a complete production service chain of grams-kg-ton.Synthesis of reference compounds, intermediates, drug candidates, impurities and metabolites for customers with a range of milligrams to kilograms (including GMP quality).

Are you looking for China or India manufacturers of Tretinoin CAS:302-79-4, Tretinoin factory or all-trans-3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraenoic Acid supplier? Where can buy Tretinoin or if you want to know the price market of Vitamin A Acid? Welcome to contact us for Tretinoin COA or MSDS.

Laboratory in Ningbo
Our company's R&D company, Ningbo Gino Chemical Co., Ltd. was established in December 2011. we have several fume hoods and kilogram laboratory, and have purchased 20L, 50L reactors and as a preliminary pilot manufacturing of the products. At the same time, We mobilized external resources to establish a pilot facility in Henan Zhumadian and Anhui Anqing, and cooperating with Shandong Zibo and Jiangsu Changzhou factories as a large production facility for our products.

Factory in Shanxi Province
At the end of 2017, We invested workshop in Xinjiang County Longzhou Chemical Co., Ltd., Xinjiang County Coal Mine Park, Yuncheng, Shanxi. The first phase of the reactors were 30* 2000L~5000L, The contract output value is 50 million annually, factory has passed the audit from public listed company domestic and abroad.

Factory in Shandong Province
The production base of liquid rectification chemical products located in Liaocheng, Shandong Province is the main outsourcing production base of our company. The products are sold to leading enterprises and listed companies in the carcass industry for many years. The production, quality and service are stable, delivery is timely, and some individual products are covering 90% of the market.

Factory in Henan Province
In year 2020, We invested workshop in Henan province, the workshop consists of 50*2000L~5000L reactors, The types of reactions that can be manufacturer there are: bromination, cyanidation, and conventional reactions.

Disclaimer: Certain products are for research use only. Not for diagnostic or therapeutic use. Not for human use. INNOPHARMCHEM does not sell to individuals. INNOPHARMCHEM does not warrant that the use or sale of the products delivered under will not infringe the claims of any China or other patents covering the product itself or the use thereof in combination with other products or the operation of any process.