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N-ACETYL-L-CYSTEINE, 25 g

https://unicat.msf.org/cat/product/18818
STD SLASNALC25-

Valid Article

P
The order of this product needs to be justified and is only acceptable under certain conditions.
CT30
Thermosensitive codes are defined for storage and transportation temperature requirements of the products.
OC subscriptions: included in supply or field order tools (e.g. UniField)
SC subscriptions: included in supply or field tools
OC validations: approved for procurement and use by an OC for international or local orders specifying context and activity in Medical Standard Lists (MSL)

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N-ACETYL-L-CYSTEINE

Reserved for TB culture programmes.

Definition

Mucolytic amino acid used to digest sputum during the decontamination procedure.

Synonym

NALC, alpha-acetamido-betamercaptopropionic-acid, LNAC, NAC

Specifications

  • CAS N°: 616-91-1
  • Formula: C5H9NO3S
  • Purity: 99%
  • Crystals
  • Quality: pure
  • Soluble in water by heating and in ethanol

Packaging & Labelling

  • 25 g in plastic bottle
  • Transport not regulated

Instructions for use

Add to NaOH sodium citrate solution the required amount of N-acetyl-L-cysteine just before use, and discard the solution within 24 h.

Storage

  • Store between 5°C and 30°C in a closed container
  • Once N-acetyl-L-cysteine is added to NaOH sodium citrate solution, the mixture can be stored for 24 hours maximum
  • Shelf life: 3 years

(Cf Introduction: Thermosensitive products)

MSF requirements

N-acetyl-L cysteine helps to homogenise sputum samples, increasing mycobacteria detection. Used to prepare NALC-NaOH citrate solution for sample decontamination.

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