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Certificate of Analysis
Product Name: DL-Selenomethionine Catalogue Number: RR-15103
Batch Size: N/A Lot Number: 20220501
CAS Number: 1464-42-2 Production Date:
Molecular Formula: C5H11NO2Se Report Date: 2022-05-01
Molecular Weight: 196.12 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance White or off-white powder white powder
Mass Spectrum In accordance with the structure Complies
HNMR In accordance with the structure Complies
Assay(HNMR) 98%~102% 98.5%
Solubility 0.1g in 0.5ml 1M Hcl clear soluble 0.1g in 0.5ml 1M Hcl clear soluble
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