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  • Vitamin B12 (Cyanocobalamin)

Vitamin B12 (Cyanocobalamin)

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Description

Material: Vitamin B12 (Cyanocobalamin)

CAS No.: 68-19-9

ITEM

STANDARD

Characteristics

Dark red crystals or amorphous or crystalline red powder.

Identification A

UV: The absorption spectrum exhibits maxima at 278±1nm, 361±1nm, and 550±2nm.

A361 nm/A278nm: 1.70~1.90

A361 nm/A550nm: 3.15~3.40

Identification B

Cobalt: Meets USP requirements

Identification C

HPLC: The retention time of the major peak of the sample solution corresponds to that of the standards solution.

Loss on drying, %

≤ 10.0

Assay, %

97.0~102.0

Related substances, %

Total impurities ≤3.0

7β, 8β-Lactocyanocobalamin ≤1.0

34-Methylcyanocobalamin ≤2.0

8-Epi-cyanocobalamin ≤1.0

Any other unidentified impurity and 50-Carboxycyanocobalamin. 32-Carboxycyanocobalamin ≤0.5

Acetone, ppm

≤5000

The total aerobic microbial count, cfu/g

≤1000

The total combined yeasts/mould count cfu/g

≤100

Conclusion: 

The above product conforms to USP. Standard.

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Product Categories

  • API
    • Amoxicillin
    • Azithromycin
    • Aspirin
    • Acitretin
    • Aztreonam
    • Oxybuprocaine
    • Bethanechol
    • Piracetam
    • Bromelain
    • Diosmin
    • Finerenone
    • Canagliflozin Hemihydrate
    • Candesartan Cilexetil
    • Captopril
    • Daclatasvir dihydrochloride
    • Dapagliflozin propanediol monohydrate
    • Doxycycline Hyclate
    • Empagliflozin
    • Gliclazide
    • Mirabegron
    • Sermaglutide
    • Sitagliptin Phosphate Monohydrate
    • Ticagrelor
  • Nutrients
    • Ascorbyl Palmitate
    • Silymarin
    • Chondroitin SULPHATE
    • Creatine Monohydrate
    • D-Glucosamine Hydrochloride
    • Ginkgo Biloba Extract
    • Inulin
    • L-Carnitine-L-tartrate
    • Lipoic acid
    • Taurine
  • Excipients
    • Hydroxypropl Cellulose
    • Hydroxypropyl methyl cellulose
    • Magnesium Stearate
    • Pregelatinized Starch
    • Polyethylene glycol 6000
    • Polyethylene oxide
    • Polyvinyl Pyrrolidone k30
    • Silicon Dioxide
    • Sodium Starch Glycolate
    • Stearic acid
  • Food additives
    • Citric acid Anhydrous
    • Bovine Gelatin
    • Pectin
    • Phosphatidylserine
    • L(+)-Tartaric acid
    • Dipotassium Phosphate (DKP)
    • Vitamin B9 (Folic acid)
    • Natamycin 50% In Glucose
    • Paprika Oleoresin
    • Sucralose
    • Vanillin
    • Vitamin B12 (Cyanocobalamin)

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