D-Cycloserine Pharmaceutical Raw Materials CAS 68-41-7 for Tuberculostatics

D-Cycloserine Pharmaceutical Raw Materials CAS 68-41-7 for Tuberculostatics

Ascorbic acid (vitamin C) is used to prevent or treat low levels of vitamin C in people who do not get enough of the vitamin from their diets.

Description

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Product Parameter

Cyanocobalamin Pure

Test ItemSpecification
AppearanceDark red crystal or dark red crystalline
Identification A
UV: Absorption maxima at 278±1nm, 361±1nm and 550±2nm.
A361nm/A278nm:1.70-1.90
A361nm/A550nm:3.15-3.40
Identification B

TLC:The principal spot in the chromatogram obtained with the test solution is similar in position, colour and size to the principal

spot in the chromatogram obtained with the reference solution.

Loss on drying≤12.0%
Assay96.0%~102.0%
Residual substancesTptal impurities ≤3.0%
Residual solventsAcetone≤5000ppm
Total aerobic bacteria≤1000cfu/g
Molds、Yeasts≤100cfu/g


Mecobalamin Pure

Test ItemSpecification
AppearanceDark red crystal or dark red crystalline
Identification

UV: Compare the spectrum with the reference spectrum ,both spectra exhibit

similar intensities of absorption at the same wavelengths

Cobalt:Meets JP requirement
Clarity and color of solutionThe solution is clear and red color
Assay98.5%-101.0%
Water≤11.5%
Related substancesEach area of the peaks other than mecobalamin is not more than 0.5% of the peak area of mecobalamin
The total area of the peaks other than mecobalamin is not more than 2.0%
Acetone≤5000ppm
Total aerobic microbial amount≤1000cfu/g

Other Spec.:Cyanocobalamin Feed grade 0.1%,1%Cyanocobalamin Food grade 1%,2%,5%


Product Detail


5Cyanocobalamin
CAS No.:68-19-9
EINECS No.:200-680-0
Place of Origin: China (Mainland)
Grade Standard: Pharma grade, Feed Grade, Food Grade
Brand Name: TNN
Model Number: BP USP EP
Purity:0.1% ,1%,2%,5%,99%
Mecobalamin
CAS No.:13422-55-4
EINECS No.:236-535-3
Place of Origin: China (Mainland)
Grade Standard: Pharma grade, Food Grade
Brand Name: TNN
Model Number: JP
Purity:99%
3


Packing & Delivery

0.5kg/tin,1kg/tin

Application

1. Promote methyl transfer

2. Promote the development and maturation of red blood cells, make the body hematopoietic function in a normal state, and prevent pernicious anemia; Maintain nervous system health

3. In the form of coenzyme, it can increase the utilization of folic acid and promote the metabolism of carbohydrate, fat and protein

4. It can activate amino acids, promote the biosynthesis of nucleic acids and promote the synthesis of proteins. It plays an important role in the growth and development of infants

5. Metabolize fatty acids so that fat, carbohydrates and protein can be properly used by the body

6. Eliminate irritability, concentrate, enhance memory and sense of balance

7. It is an indispensable vitamin for the sound function of the nervous system and participates in the formation of a lipoprotein in the nervous tissue

First, improve the utilization rate of folic acid, synthesize methionine (synthesized by homocysteine) and choline together with folic acid, and synthesize cyanocobalamine in the process of producing purine and pyrimidine, such as methylcobalamine and coenzyme B12, which participate in the methylation process of many important compounds. When vitamin B12 is deficient, the activity of transferring methyl groups from methyltetrahydrofolate decreases, making folic acid an unusable form, leading to folic acid deficiency.

The second is to maintain the metabolism and function of nerve myelin. Lack of vitamin B12 can cause neurological disorders, spinal cord degeneration, and serious mental symptoms. Vitamin B12 deficiency can lead to peripheral neuritis. The early manifestations of vitamin B12 deficiency in children are abnormal mood, dull expression, slow response, and finally lead to anemia.

Third, promote the development and maturation of red blood cells. Methylmalonyl coenzyme A is converted into succinyl coenzyme A, which is involved in the tricarboxylic acid cycle. Succinyl coenzyme A is related to the synthesis of heme.

Fourth, vitamin B12 also participates in the synthesis of deoxynucleic acid (DNA), the metabolism of fat, carbohydrate and protein, and increases the synthesis of nucleic acid and protein.


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