S-Carboxymethyl-L-cysteine

Molecular Formula
C5H9NO4S
Catalog Number
C3071
Supplier/Brand
Spectrum Chemical
CAS Number
638-23-3

S-Carboxymethyl-L-cysteine, also known as Rhinathiol or Humex, is a mucolytic that minimizes the viscosity of sputum so it can be used to treat chronic obstructive pulmonary disorder and bronchiectasis. Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use.


Synonyms: SCMC ; Carbocysteine

Shipping Information

Item must ship on ice via 2nd day air. During summer months, item will ship next day air. Additional freight charges will apply.


Tariff No. 2922498000

Storage Information

REFRIGERATE: Keep tightly closed.

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2023