Product Brief Introduction
Product name: 1,4-Butanedisulfonate
CAS: 101020-79-5
MF: C42H74N12O28S8
MW: 1451.62
Product Specification
|
Item |
Specification |
|
Appearance |
White to off-white powder |
|
Identification |
IR: The infrared absorption spectrum of the sample complies with the reference standard. |
|
HPLC:The retention time of the major peak of the sample solution corresponds to that of the standard solution, as obtained in the assay. |
|
|
UV: λ max=258; λ min=227; |
|
|
Solubility |
Very soluble in the water, freely soluble in formamide or in a mixture of equal volumes of methanol and formamide, insoluble in methanol or ethanol |
|
Clarity and Color of Solution |
Clarity, ≤ 1 |
|
Colorless, ≤ Y2 |
|
|
Specific Rotation |
+28.0° ~ +34.0° |
|
PH |
1.8 - 2.5 |
|
Moisture |
≤ 3.0% |
|
Residue on Ignition |
≤ 0.5% |
|
Related Substances (HPLC) |
Adenosine ≤ 0.5% |
|
Adenine ≤ 0.5% |
|
|
S-adenosyl-L-omocysteine ≤ 1.0% |
|
|
Methylthioaenosine ≤ 1.0% |
|
|
Other single impurity ≤ 0.1% |
|
|
Other total impurities ≤ 1.0% |
|
|
Total Impurities ≤ 2.5% |
|
|
Heavy Metals |
≤ 10ppm |
|
Bacterial Endotoxins |
≤ 0.25EU/mg |
|
Total Viable Aerobic Count |
≤ 200cfu/g |
|
Yeasts&Molds |
≤ 100cfu/g |
|
Enterobacterlaceae |
Negative/10g |
|
(S)-S-Ademetionine |
≥ 60.0% |
|
1,4-Butanedisulfonate Content |
46.0%-49.0% |
|
Ademetionine Content (HPLC) |
50.0%-54.0% |
|
Assay |
≥ 97.0% |
