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Key Documents

L2643

Sigma-Aldrich

α-Lactose monohydrate

suitable for cell culture, BioReagent

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C12H22O11 · H2O
CAS Number:
Molecular Weight:
360.31
MDL number:
UNSPSC Code:
12352201
PubChem Substance ID:
NACRES:
NA.75

biological source

bovine milk

Quality Level

product line

BioReagent

Assay

≥99% total lactose basis (GC)

form

powder

technique(s)

cell culture | mammalian: suitable

impurities

≤0.05% Glucose
≤4% β-lactose

solubility

water: 100 mg/mL, clear, colorless

SMILES string

[H]O[H].OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)[C@@H](O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O

InChI

1S/C12H22O11.H2O/c13-1-3-5(15)6(16)9(19)12(22-3)23-10-4(2-14)21-11(20)8(18)7(10)17;/h3-20H,1-2H2;1H2/t3-,4-,5+,6+,7-,8-,9-,10-,11+,12+;/m1./s1

InChI key

WSVLPVUVIUVCRA-KPKNDVKVSA-N

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Application

α-Lactose monohydrate has been used:
  • as a component of fraction B of diluent M1 for dilution of ram semen
  • as a component of Platz diluent variant (PDV) for dilution of bottlenose dolphin semen
  • in the preparation of HyQ PF-Chinese hamster ovary (CHO) disaccharide media for the adaptation of CHO cell lines
  • for the preparation of protein-free chemically defined cell culture medium (PFCDM) for the adaptation of human embryonic kidney 293 (HEK293) cells

Storage Class Code

11 - 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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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