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Vitamin B12

  • [Get Latest Price]
  • 250 Kilogram/Kilograms
  • China (Mainland)
  • BP/USP
  • Feed Grade, Food Grade, Medicin...
  • cyanocobalamin,vitamin b12 series
Post Date : February 04
Product Details
Company Profile

Item specifics

China (Mainland)
Feed Grade, Food Grade, Medicin...
L/C,D/A,D/P,T/T,Western Union,MoneyGram
100 Metric Ton/Metric Tons per Month
Vitamins, Amino Acids and Coenzymes


Vitamin B12(Cyanocobalamin)BP/USP
CAS 68-19-9
competitive price
stable supply
professional service


Vitamin B12 1% (Cyanocobalamin)


Diluent: Calcium Carbonate (CaCO3)


Appearance        :     Pale red, very small powder, hydroscopicity

Particle size        :     All pass through 0.25mm sieve

Loss on drying    :      5.0% max.

Assay (UV)         :      1.0%


Packing: 1kg net per bag.


Vitamin B12 (Cyanocobalamin)



Referred Standard: BP98/USP24


Appearance                    :     Dark red crystalline powder

Identification                    :     Positive

Ratio Absorbances          :     A361/A278   1.70-1.90

A361/A550  3.15-3.40

Related substances          :     3.0% max.

Pseudo Cyanocobalamin   :     Complies

Loss on drying                 :     12.0% max.

Assay (on dry basis)        :     96.0-100.5%


Packing: 100gram/ 500gram/ 1000gram net per tin.

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D-Calcium Pantothenate

D-Calcium Pantothenate

D-Calcium Pantothenate

D-Calcium Pantothenate USP/BP
13 years export experience
Export to Euro/USA

Synchem International Co.,Ltd(ISO,Fami-Qs) is very strong in vitamins field of china, export to more than 13 years to worldwide.


Calcium D-Pantothenate


Reference standard: USP31

Shelf life: 3 years from manufacture date


Appearance:                                                                         White powder


A: Solution (1 in 20) responds 197k:                                Concordant with the reference spectrum

B: A Solution (1 in 20) responds to the tests for CalciumConforms to USP 31

Specific optical rotation:                                                    +25.0° ~ + 27.5°

Alkalinity:                                                                         No pink color is produced within 5 seconds

Loss on drying:                                                                 Not more than 5.0%

Heavy metals:                                                                  Not more than 0.002%

Ordinary impurities:                                                         Not more than 1.0%

Organic volatile impurities:                                             Meet the requirements

Nitrogen content:                                                             5.7% ~ 6.0%

Content of Calcium:                                                          8.2 ~ 8.6%


Packing: 25kg net per carton box, 1 X FCL = 13.5mt with pallet, 15mt without pallet

                25kg net per drum, 1 X FCL = 9mt on pallet, 12mt without pallet.


Service we can provide:

1. Mixed container, we can mix different items in one container.

2. Quality control, before shipment, free sample for test. after shipment,  keep sample for 3 years

3. Prompt shipment with professional documents

4. Packing as your request, with photo before shipment


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Intermediate of Fluconazole/Ketoconazole





white crystalline solid



Melting Point




Single impurity

0.20% max

Total Impurity


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