Merck, 61339-250G, D-Lactose monohydrate
Size:250 g, β-D-Gal-(1→4)-D-Glc, 4-O-β-D-Galactopyranosyl-D-glucose, Milk sugar, ≥99% (HPLC), BioUltra
Available Catalog Numbers
Catalog Number: 61339-250G
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Category
Pack Size250 g
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| UNSPSC Code | 12352201 |
|---|---|
| NACRES | NA.25 |
| PubChem Substance ID | 329759435 |
| EC Number | 200-559-2 |
| Beilstein/REAXYS Number | 3768231 |
| MDL number | MFCD00166994 |
| InChI key | HBDJFVFTHLOSDW-XBLONOLSSA-N |
| InChI | 1S/C12H22O11.H2O/c13-1-4(16)7(18)11(5(17)2-14)23-12-10(21)9(20)8(19)6(3-15)22-12;/h1,4-12,14-21H,2-3H2;1H2/t4-,5+,6+,7+,8-,9-,10+,11+,12-;/m0./s1 |
| SMILES string | O.OC[C@@H](O)[C@@H](O[C@@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O)[C@H](O)[C@@H](O)C=O |
| product line | BioUltra |
| assay | ≥99% (HPLC) |
| form | solid |
| optical activity | [α]20/D +53±1°, 22 hr, c = 10% in H2O |
| impurities | insoluble matter, passes filter test |
| ign. residue | ≤0.05% (as SO4) |
| color | colorless |
| pH | 3.5-6.0 (25 °C, 0.5 M in H2O) |
| solubility | H2O: 0.5 M at 20 °C, clear, colorless |
| anion traces | chloride (Cl-): ≤50 mg/kg |
| cation traces | Al: ≤5 mg/kg |
| <i>λ</i> | 0.5 M in H2O |
| UV absorption | λ: 260 nm Amax: 0.02 |
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| Quality Level |
|---|
| 100 |
