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Merck
CN

L1768

Sigma-Aldrich

D-Lactose monohydrate

ACS reagent

Synonym(s):

β-D-Gal-(1→4)-D-Glc, 4-O-β-D-Galactopyranosyl-D-glucose, Milk sugar

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About This Item

Empirical Formula (Hill Notation):
C12H22O11 · H2O
CAS Number:
64044-51-5
Molecular Weight:
360.31
Beilstein:
3768231
EC Number:
200-559-2
MDL number:
MFCD00166994
UNSPSC Code:
12352100
PubChem Substance ID:
329817392

Key Documents

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grade

ACS reagent

impurities

Dextrose, passes test
 Sucrose, passes test
≤0.005% Insoluble matter
4.0-6.0% Water (H2O)

ign. residue

≤0.03%

cation traces

Fe: ≤5 ppm
heavy metals (as Pb): ≤5 ppm

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

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

InChI key

HBDJFVFTHLOSDW-XBLONOLSSA-N

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Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
128H0195
123H0326
078H00551
067H15451
066H02851

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Fan Zhou et al.
Scientific reports, 1, 78-78 (2012-02-23)
The invisibility cloak has been a long-standing dream for many researchers over the decades. Using transformation optics, a three-dimensional (3D) object is perceived as having a reduced number of dimensions, making it "undetectable" judging from the scattered field12345. Despite successful
Akhtar Siddiqui et al.
Journal of pharmaceutical sciences, 103(9), 2819-2828 (2014-03-04)
The objective of this study was to develop powder X-ray diffraction (XRPD) chemometric model for quantifying crystalline tacrolimus from solid dispersion (SD). Three SDs (amorphous tacrolimus component) with varying drug to excipient ratios (24.4%, 6.7%, and 4.3% drug) were prepared.
J Nijdam et al.
Colloids and surfaces. B, Biointerfaces, 123, 53-60 (2014-09-30)
Segregation of the protein bovine serum albumin (BSA) and lactose in thin aqueous films during drying was investigated by examining the composition of the dried films using inverse micro Raman spectroscopy (IMRS) and X-ray photoelectron spectroscopy (XPS) sputter-depth profiling. The
Daniel Cavanagh et al.
Applied and environmental microbiology, 81(12), 3961-3972 (2015-04-05)
Lactococcus lactis is predominantly associated with dairy fermentations, but evidence suggests that the domesticated organism originated from a plant niche. L. lactis possesses an unusual taxonomic structure whereby strain phenotypes and genotypes often do not correlate, which in turn has
Akhtar Siddiqui et al.
International journal of pharmaceutics, 493(1-2), 1-6 (2015-07-26)
The objective of this study was to develop and validate XRPD analytical method for the estimation of percent crystalline warfarin sodium present in drug products. Warfarin sodium (WS) is a clathrate containing Isopropyl alcohol entrapped in the crystalline structure. Four
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