Methylcobalamin 98%min. (Vitamin B12), PHARMA GRADE, 1KG

Methylcobalamin 98%min. (Vitamin B12), PHARMA GRADE, 1KG

$3,850.00
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METHYLCOBALAMIN 98%MIN. (VITAMIN B12) , 1KG

 

CAS NO.: 68-19-9

 

OTHER NAMES: VITAMIN B12

 

 

 

Typical COA/SPECIFICATIONS

 

Item

Specification

Result

Appearance

Dark red crystalline powder or crystals, hygroscopic

complied

Ratio Of Optical Density (UV)

A274/A351nm

0.75-0.83

0.81

A525/A351nm

0.31-0.35

0.33

TLC

complied

complied

Reaction Of Acetates

positive

positive

Assay (on dried basis )

96.0% -102.0%

98.2%

Loss On Drying

8%-12%

9.6%

Related Substances

5% max

1.2%

Residual Solvents(GC)

Acetone

5000ppm max

59ppm

 

 

 

 

 

 

 

Displaying 1 to 3 (of 3 reviews)
By: Steve Date Added: 01/15/2024 Rating: TEXT_OF_5_STARS
WORKS BUT PRICEY
By: LYNN Date Added: 10/17/2023 Rating: TEXT_OF_5_STARS
Good seller
By: Fernando Cabezas Date Added: 08/11/2023 Rating: TEXT_OF_5_STARS
Very potent
Displaying 1 to 3 (of 3 reviews)
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* Delivery Time.
We need 1-2 days to process your order before shipping.There are two shipping methoed. Fast Delivery: The delivery time for US, European countries the delivery will take 3-5 days.Slow Delivery: The delivery time for US, European countries the delivery will take 10-15 days.
* Tracking information.
After we ship package, customer receive automatic email with tracking details.
* Lost Package Policy.
If a package did not arrive in 4 weeks after the shipping date, then this package is treated as Lost. In this case a new package will be shipped to the customer provided we are able to give the same items as those purchased by the customer. If we are not able to provide the same items to substitute the lost ones we will either propose to the customer similar items or refund their cost as it will be mutually agree with the customer. If one or more items neither the same nor similar are available to be shipped, the customer can request to cancel the order entirely, thus the total cost of the order including shipping and handling cost will be fully refunded.

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