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Vitamin B12

  • [Get Latest Price]
  • 250 Kilogram/Kilograms
  • China (Mainland)
  • BP/USP
  • Feed Grade, Food Grade, Medicin...
  • Tag: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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2,4-Dichloro Acetophenone

2,4-Dichloro Acetophenone

2,4-Dichloro Acetophenone

Intermediate of Fluconazole/Ketoconazole




white crystalline solid



Melting Point




Single impurity

0.20% max

Total Impurity


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