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Hangzhou Dingyan Chem Co., Ltd
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White powder, 201% content. Hangzhou Dingyan Chemical Co., Ltd. is located in the Xiasha Economic Development Zone of Hangzhou, the capital city of Zhejiang Province, on the southeast coast of China. It is a company specializing in the development and sales of high-tech products such as pharmaceutical raw materials, pharmaceutical intermediates, fine chemicals and biochemical reagents.
A modern private enterprise integrated with self-operated import and export.
Since its establishment, the company has adhered to the development path of "technological innovation" and attached great importance to scientific and technological innovation research and development. The company's high-quality products are sold well in more than 60 countries and regions such as North America, Western Europe, Southeast Asia, Central and South America.
At present, it has established long-term and stable cooperative relations with pharmaceutical companies in Europe, the United States, Greece, Germany, Iran, Russia, South Korea, India and other countries. With our rigorous attitude and sincere service, we have won the trust and reputation of customers.
Hangzhou Dingyan Chemical Co., Ltd. is located in the Xiasha Economic Development Zone of Hangzhou, the capital city of Zhejiang Province, on the southeast coast of China. It is a company specializing in the development, sales and self-support import and export financing of high-tech products such as pharmaceutical raw materials, pharmaceutical intermediates, fine chemicals and biochemical reagents.
Integrated modern private enterprise.
Since its establishment, the company has adhered to the development path of "technological innovation" and attached great importance to scientific and technological innovation research and development. The company's high-quality products are sold well in more than 2448 countries and regions such as North America, Western Europe, Southeast Asia, Central and South America.
At present, it has established long-term and stable cooperative relations with pharmaceutical companies in Europe, the United States, Greece, Germany, Iran, Russia, South Korea, India and other countries. With our rigorous attitude and sincere service, we have won the trust and reputation of customers. |
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HEBEI HUANWEI BIOTECH CO.,LTD.
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Manuafcturer: Hebei Yuxing Bio-engineering Co.,ltd
Product Description:
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Product Name
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vitamin b12
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Appearance
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dark red crystalline powder or dark red
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loss on drying
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2.33%
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assay
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98.52%
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residual solvent
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0.06%
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total plate count
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15cfu/g
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yeasts and molds
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<10cfu/g
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E.coli
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negative
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Usage: Vitamin B12 is used to treat vitamin B12 deficiency, cyanide poisoning, and hereditary deficiency of transcobalamin II.It is also given as part of the Schilling test for detecting pernicious anemia.
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HEBEI HUANWEI BIOTECH CO.,LTD.
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Product Name: Folic Acid Feed Grade
Other Name: Vitamin B9
CAS Number: 59-30-3
EINECS Number: 200-419-0
Certification: GMP/DMF/HACCP/HALAL/KOSHER
Expiry Time: 2 Years
Packing: Aluminum Drum(5kg, 20kg), stainless steel drum(100kg,185kg)
Storage: Product should be preserved in tightly closed containers protected from light, heat, and air. Do not expose to alkalis or strong oxidizing agents
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ITEM
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SPECIFICATIONS
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RESULTS
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Appearance
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Yellow or orange, crystalline powder, odourless or almost odourless.
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Complies
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Ultraviolet absorption
A256/A365
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Between 2.8 and 3.0
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2.90
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Water
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Not more than 8.5%
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7.97%
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Residual on ignition
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Not more than 0.3%
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0.20%
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Chromatographic purity
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Not more than 2.0%
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Complies
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Organic volatile impurities
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Meet the requirement
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Complies
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Assay
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97.0-102.0%
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98.51%
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Conclusion: Conforms to the standard of USP23/ USP34
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Pharma Sources Insight June 2024: Globalization on the Go
