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PHR1024 Sigma-Aldrich

Lactose (Monohydrate)

pharmaceutical secondary standard; traceable to USP and PhEur

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

  • CAS Number 64044-51-5

  • Empirical Formula (Hill Notation) C12H22O11 · H2O

  • Molecular Weight 360.31

  •  Beilstein Registry Number 3768231

  •  EC Number 200-559-2

  •  MDL number MFCD00166994

  •  PubChem Substance ID 329823054

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Properties

Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, Carbohydrate Standards, Chromatography,
grade   certified reference material
  pharmaceutical secondary standard
InChI Key   HBDJFVFTHLOSDW-XBLONOLSSA-N
form   neat
format   neat
pharmacopeia traceability   traceable to PhEur L0100000
  traceable to USP 1356701

Description

Analysis Note

These secondary standards offer multi-traceability to the USP, EP (PhEur) and BP primary standards, where they are available.

General description

Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.

Other Notes

This product was designed, produced and verified for accuracy and stability in accordance with ISO/IEC 17025:2005 (AClass Cert AT-1467), ISO GUIDES 34:2009 (AClass Cert AR-1470).

Footnote

To see an example of a Certificate of Analysis for this material enter LRAA8961 in the slot below. This is an example certificate only and may not be the lot that you receive.

Price and Availability

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3
Protocols & Articles

Articles

An Alternative to the USP and EP Methods for the Analysis of Riboflavin (Vitamin B2)

An alternative to the cumbersome USP and EP methods using LC/MS/MS detection and a Titan C18 UHPLC column to identify riboflavin and its impurities is described here. This new method is also compatib...
Nicolas J. Hauser, Carmen T. Santasania
Reporter US Volume 33.3
Keywords: Chromatography, Degradations, Detection methods, Eliminations, High performance liquid chromatography, Mass spectrometry, Metabolism, Oxidations, Sonication, Ultraviolet-Visible spectroscopy, Vitamins

Peer-Reviewed Papers
15

References

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