CERTIFICATE OF ANALYSIS

Product Name	DIMETHYL SULPHOXIDE For HPLC & Spectroscopy	CAS Number	67-68-5
Molecular Formula	C 2 H 6 OS	Catalogue No.	AL1878
Molecular Weight	78.13	Batch Number
Manufacturing Date	December-2020	Expire Date	November-2025

TYPE OF TEST	STANDARD	OBSERVED
Description Assay (GC) Non -volatile matter Water Minimum transmission in 10 mm cuvate at A) 270 nm B) 280 nm C) 310 nm D) 350 nm Solubility (10% in water)	A clear colorless liquid 99.7% <0.002% <0.2% 20% 50% 80% 98% Clear & colourless	A clear colorless liquid 99.89% <0.002% 0.1% 22% 50.12% 83.1% 98.48% Clear & colourless

Result: The above product complies with For HPLC grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane