Products Description
The substance corresponding to CAS 2746-19-2 is CIS-5-NORBORNENE-EXO-2,3-DICARBOXYLIC ANHYDRIDE, also known as cis-Norbornene-exo-2,3-dicarboxylic Anhydride, and it is an important chemical raw material.
Its molecular formula is C₉H₈O₃, and its molecular weight is 164.16. It appears as an off-white to yellow-brown solid or a white solid. Moreover, its density is about 1.405±0.06g/cm³, its melting point is 140 - 145°C, its boiling point is 331.1±42.0°C, its flash point is 163.8°C, its vapor pressure is 0.00016mmHg at 25°C, and its refractive index is 1.583.


Basic Info
|
Items |
Standard |
Result |
|
Appearance |
White or almost white powder |
Almost white powder |
|
Loss on drying |
1.0%max |
0.13% |
|
Residue on ignition |
0.1%max |
0.06% |
|
Related substances |
HPLC:99%min |
99.1% |
|
Any other impurity:0.5%max |
0.32% |
|
|
Total impurities:1.0% max |
0.94% |
|
|
Assay(Iodine) |
98%min |
99.30% |
Storage conditions
Store in argon-filled or sealed in a cool and dry environment. It is sensitive to humidity and must be protected from moisture, fire and water during transportation.

Uses
Pharmaceutical field: It is an intermediate of lurasidone and plays an important role in pharmaceutical synthesis.
Other fields: CIS-5-NORBORNENE-EXO-2,3-DICARBOXYLIC ANHYDRIDE is widely used in electronics, synthetic resins, petroleum industry, pesticides and other fields.
Company Profile
Gnee Chem is an enterprise specialising in the research, development, production and sales of phytochemicals and fine chemicals.Our factory was established in 2016 and is located in Henan Province, covering an area of 3,600 square metres. We have a professional, well-equipped and high-quality R&D team with more than 10 years of R&D experience. Our products are widely exported to many countries, such as the United States, Russia, Canada, Australia, Europe, etc., and we provide customers with fast shipping services. We hope to establish long-term and mutually beneficial cooperation with more friends in the future, and provide the best products and services for our customers.




FAQ
Can your company accept customisation and meet customers' special specifications?
Yes, we can.
What are your payment terms?
Wire transfer, paypal, western union, money order and bitcoin.
What is your delivery time?
We usually ship within 1-3 days after receiving your payment.
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