Zhishang Chemical

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Zhishang Chemical

all-E-Retinal CAS 116-31-4

Molecular Formula:C20H28O

Formula Weight:284.44

Purity: 99%

Product Name:all-E-Retinal
CAS No: 116-31-4

Basic Info

Product Name:all-E-Retinal
Other Names:2,4,6,8-Nonatetraenal,3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)
CAS: 116-31-4
Place of Origin:Shandong, China
Brand Name:Zhishang Chemical
Type:Active Pharmaceutical Ingredients
Appearance:Crystalline Solid
EINECS No.:204-135-8
Storage:Cool Dry Place
Provide:all-E-Retinal MSDS;
all-E-Retinal COA


Product Categories:

Aldehydes;Antitumor Agents;Building Blocks;C13-C60;Cancer Research;Carbonyl Compounds;Chemical Synthesis;Cofactor;Gene Regulation;Isoprenoid;Metabolic Pathways;

  1. Vitamin A aldehyde, also known as retinol, is the closest component to a acid. It is made of β- Carotene is formed by oxidative fracture. Retinol is obtained by reduction and retinoic acid is obtained by oxidation. Retinol is the accessory group of rhodopsin.
  2. 11 CIS retinoic aldehyde and opsin in the cells of visual fine chemicalbook form visual pigment. 11 CIS retinoic aldehyde isomerizes into all trans retinoic aldehyde after absorbing light, which changes the conformation of rhodopsin and starts the nerve pulse to the brain, so as to form vision.
Chemical Properties:

Crystalline Solid

Melting point 61-63°C
Boiling point 366.92°C (rough estimate)
density 1.0083 (rough estimate)
refractive index 1.4500 (estimate)
storage temp. -20°C
form powder
color yellow
Water Solubility <70mg/L(25 ºC)


  1. Retinol is a kind of anti wrinkle, anti-aging and anti acne skin care active ingredient. Research shows, Compared with other commonly used vitamin A derivatives (for example, retinoic acid), retinol has less irritation to the skin and is more suitable for sensitive skin.
  2. In addition, retinoic acid transformed from retinol after metabolism by human chemicalbook body also has the effect of treating acne. It can be said to be a multifunctional active additive. Retinol can be used in various anti wrinkle, anti-aging and anti acne skin care products. The recommended dosage is 0.0 About 5% ~ 0.15%.
About Us

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.

“Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.

Company Info
  • Business Type: Manufacturer
  • Product Range: Additive , Chemical Auxiliary & Catalyst , Organic Chemicals
  • Products/Service: Organic Intermediate,Inorganic Chemistry, APIs, Dyestuffs And Pigments, Fragrance And Spices, Food Additives
  • Total Employees: 51~100
  • Capital (Million US $): 10000000RMB
  • Year Established: 2016
Production Capacity
  • No. of Production Lines : 8
  • No. of QC Staff : 5 -10 People
  • OEM Services Provided : yes
  • Factory Size (Sq.meters) : 3,000-5,000 square meters
  • Certificate: ISO9001 , CE , GMP , API , MSDS
  • Factory Location : Diao Town Industry Park, Zhangqiu City, Jinan City, Shandong Province, China.


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.


After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Do you accept sample order?

We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.



You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

What’s your MOQ?

Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

Get all-E-Retinal Quotation