High Purity 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one CAS 4803-74-1Donepezil pyridine dehydro Imp
Sep 22nd, 2022 at 17:20 Biological and Pharmaceutical Chemicals Nampa 38 views Reference: joQeZ88JbpZ
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High Purity 5,6-dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one Cas 4803-74-1donepezil Pyridine Dehydro Imp - Buy High Purity 5 6-dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one,Cas No. 4803-74-1,Donepezil Pyridine Dehydro Imp Product manufacturer and supplier from China, Please contact us by Live Chat on the bottom right.
Essential details
| CAS No.: |
4803-74-1 |
| Other Names: |
Donepezil pyridine dehydro Imp |
| MF: |
C17H15NO3 |
| EINECS No.: |
Login to View-182-4 |
| Place of Origin: |
Jiangsu, China |
| Type: |
Syntheses Material Intermediates |
| Purity: |
99%MIN, 98%, 98% |
| Model Number: |
CAS: 4803-74-1 |
| Application: |
Organic intermediates |
| Appearance: |
Solid |
| Product name: |
5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one |
| Color: |
Yellow |
| Boiling point: |
5.10±0.10(Predicted) |
| Usage: |
Organic intermediates |
| Sample: |
Available |
| Shelf life: |
2 Years |
| MOQ: |
200kgs |
| Storage conditions: |
Sealed in dry,Room Temperature |
| Package: |
25kg/drum |
Packaging & delivery
1-20KG Aluminum Foil Bag 25KG Plastic Bag & Carton Drum Liquid Iron Drum & Plastic Drum Packaging
| Packaging Details | |||||||
| Picture Example: | |||||||
| Lead time: |
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Product Description
High Purity 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one
Organic intermediates
Package
1-20KG Aluminum Foil Bag
25KG Plastic Bag & Carton Drum
Liquid Iron Drum & Plastic Drum Packaging
Specification
|
the COA of High Purity 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one/4803-74-1 |
||
|
Item |
Standard |
Results |
|
Identification |
A.H-NMR:Comply with the structure |
Complies |
|
B.LC-MS:Comply with the structure |
Complies |
|
|
C.The IR spectrum of sample should be identical with that of reference standard. |
Complies |
|
|
D.HPLC-ESI-MS The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay. |
Complies |
|
|
Loss on drying |
≤2.0% |
Conforms |
|
Heavy metals |
≤10 ppm |
Conforms |
|
Residue on ignition |
≦0.1% |
Conforms |
| Related Substances |
Single impurity:≤0.10% |
0.05% |
|
Total Impurities:≤0.5% |
≤0.1% |
|
|
Purity |
≥99.0% |
Conforms |
|
Assay |
99.0%~102.0% |
Conforms |
|
Storage |
Sealed in dry,Room Temperature |
|
|
CONCLUSION |
The specification complies with enterprise stanard |
Packing & Delivery
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
Company Profile
00:00
00:00
Chemfine established in 2003 at Jiangsu province of China. Join our website platform at 2005, up to now, we already have 15 years experience online trading. In 2020, Chemfine join the SKA (Super KeyAccount) on alibaba, to provide better service for customer. Over the years, we win thousands of customers favor, Annual export grown to $30 million by our efforts.
FAQ
1. who are we? We are based in Jiangsu, China, start from 2003,sell to Eastern Asia(64.00%),North America(13.00%),Southern Europe(12.00%),Western Europe(6.00%),Southeast Asia(2.00%),South America(00.00%),Eastern Europe(00.00%),Domestic Market(00.00%). There are total about 11-50 people in our office. 2. how can we guarantee quality? Always a pre-production sample before mass production; Always final Inspection before shipment; 3.what can you buy from us? Antioxidants / Thickener / Colorant / Enzyme / Film Agent / Leaving Agent / Preservative / Sweetener / Acidity / Fine Chemicals 4. why should you buy from us not from other suppliers? Chemfine established in 2003 at Jiangsu province of China. Join our website platform at 2005, up to now, we already have 15 years experience online trading. In 2020, Chemfine join the SKA (Super KeyAccount) on alibaba, to provide better service for customer 5. what services can we provide? Accepted Delivery Terms: FOB,CFR,CIF,EXW,CPT,DDP,DDU,Express Delivery； Accepted Payment Currency:USD,EUR,JPY,GBP,CNY; Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Escrow; Language Spoken:English,Chinese,Japanese,Russian
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