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Key Documents

1356676

USP

Anhydrous lactose

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

Lactose, (+)-Lactose, 4-O-Β-D-Galactopyranosyl-D-glucopyranose

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About This Item

Empirical Formula (Hill Notation):
C12H22O11
CAS Number:
Molecular Weight:
342.30
Beilstein:
93796
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

lactose

manufacturer/tradename

USP

application(s)

cleaning products
cosmetics
food and beverages
personal care
pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

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/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/t4-,5+,6+,7+,8-,9-,10+,11+,12-/m0/s1

InChI key

DKXNBNKWCZZMJT-JVCRWLNRSA-N

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Anhydrous lactose USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Lactulose Concentrate
  • Lactulose Solution
  • Galactose
  • Compressible Sugar
  • Sugar Spheres
  • Confectioner′s Sugar

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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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Lactulose Solution
United States Pharmacopeia, 40(5, 2522-2522 (2016)
Galactose
United States Pharmacopeia, 44(5) (2020)
Lactulose Concentrate
United States Pharmacopeia, 40(5), 2521-2521 (2016)
Anhydrous Lactose
United States Pharmacopeia, 46(5), 5847-5847 (2020)
Timo Vuorisalo et al.
Perspectives in biology and medicine, 55(2), 163-174 (2012-05-31)
The main carbohydrate in milk is lactose, which must be hydrolyzed to glucose and galactose before the sugars can be digested. While 65% or more of the total human population are lactose intolerant, in some human populations lactase activity commonly

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