Not official USP-NF text
DIMETHYL SULFOXIDE TOPICAL SOLUTION
PF	LGS#	Brand	Type of Test	Additional Information
23(4)	G16	Carbowax 20M	Assay and Identification	4-mm x 1.8-m; 10%.
23(4)	S1A	Chromosorb W-AW-DMCS	Assay and Identification