Supply Pinacol Vinylboronate in China CAS NO.75927-49-0

Pinacol Vinylboronate[CAS:75927-49-0]

HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture.

With about ten years of business experiences on the marketing & distribution, thinkchem specializes in exporting pharmaceuticals, veterinary drugs, feed additives, intermediates, fine chemicals, plants extracts, pesticides, food & nutrition additives.

Thinkchem is good at offering excellent outsourcing services to overseas customers as well as laboratory support.

Custom manufacture

Thinkchem is good at offering contract manufacture and custom synthesis under confidential agreement timely and effectively, and providing sales service from grams ,kilograms to multi-tons particularly for pharmaceuticals and their intermediates discovery and development. Thinkchem is equipped with modern lab apparatus including HPLC, GC. TLC AND NMR, motivated by a team of highly qualified personnel using these equipments.

Staff

Thinkchem is composed of chemical technicians, analytical chemists, organic chemists, and chemical engineers educated in leading universities in china. Our staff is supported by a group of consultants from academia with expertise in chemical synthesis and analytical chemistry.

Pinacol Vinylboronate[CAS:75927-49-0]

Mfg.Date: Apr., 2010                       Exp. Date: Apr., 2012              

Quantity: 10 Kgs

Item                       Standard                    Result  

Appearance:         white to almost white powder            Complies

Identification:                                       

IR Spectrum:       complies with that of the srandard         Complies

Discrimination Chloride:     forward reaction                 Complies

Appearance solution:      clear and colorless                Complies

Loss on drying:              0.5%max.                     Complies

Clarity of solution:        Clarity and colourless               Complies

PH(Acid):                   4.0~6.5                      5.6

Loss on drying:              0.5%max.                     0.06%

Average particle size: 100 micron:80%&100~120 Micron:20%    Complies

Sulphated ash:              0.1%max.                     0.08%

Impurity E(TLC):             0.5%max.                     Complies

RelatedSubstances(HPLC):       

Impurity A:                  0.5%max.                     0.02%

Impurity B:                  0.5%max.                     0.01%

Impurity C:                  0.2%max.                     0.08%

Impurity D:                  0.1%max.                     0.01%

Any other impurity:           0.1%max.                      0.01%

Total impurity:               1.0%max.                      0.14%

Assay(HPLC):       97.0%-102.0%(dried basis)               99.86%

Conclusion: It complies with EP Standard.

1. Well-trained professional sales team dedicated to source, audit and export.

2. Well-trained R & D team equipped with new knowledge, new ideas and new insights to support product development and innovation.

3. Well-established partnership with major pharmaceutical and chemical companies in china.

4. Wide range of products and efficient regulatory documentation offered to customers.