| 3/13/2018 | 280490000000 | SELENIUM
| 2 | Units | 1158.18 | N/A | SAHINLER KIMYA B.SAYAR VE TEKS.KOZM.SAN.TIC.LTD.STI |
| 3/25/2018 | 210690980019 | LIFE IN SELENIUM ACE 60 ** EMSAL KIM: 3419BYN6250-21.03.2019
| 1278 | Units | 9755.13 | N/A | GRATIS IÇ VE DIS TICARET ANONIM SIRKETI |
| 3/7/2018 | 382200003000 | "1,2,4-BUTANETRIOL, INTERNAL STD 1,1X5ML, &, IODINE POTASSIUM IODIDE SOLUTION ACCORDI, MINERAL OIL STANDARD MIXTURE TYPE A AND, SELENIUM STANDARD FOR AAS, SILICA GEL / TLC CARDS, WITH FLUORESC.IND."
| 11 | Units | 1035.1 | N/A | INTERLAB LABORATUAR ÜRÜNLERI SANAYI VE TICARET ANONIM SIRKETI |
| 3/12/2018 | 280490000000 | SELENIUM METAL (1102.29 IBS)
| 500 | Kilogram | 15044.12 | N/A | ILKE METAL SANAYI VEDIS TIC.LTD.STI. |
| 3/29/2024 | 281129909000 | OTHERS, SELENIUM(-IV) OXIDE | 1 | UNIT | 30 | N/A | İNTROGEN KİMYA VE BİYOLOJİ ÜRÜNLERİ SANAYİ VE TİCARET LİMİTED ŞİRKETİ |
| 3/20/2024 | 382290000019 | SELENIUM STANDARD FOR ICP,PALLADIUM STAN/DARD FOR ICP | 2 | UNIT | 113 | N/A | İNTERLAB LABORATUAR ÜRÜNLERİ SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/8/2024 | 280490000000 | SELENIUM POWDER -100- MESH 99.5+% | 1 | UNIT | 130 | N/A | İNTERLAB LABORATUAR ÜRÜNLERİ SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/13/2024 | 210690920000 | SELENIUM 100 ΜG TAB-LETS | 6762 | UNIT | 24428 | N/A | SOLGAR VİTAMİN VE SAĞLIK ÜRÜNLERİ SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/12/2024 | 382290000019 | SELENIUM ICP STANDAR-D TRACEABLE TO SRM F | 4 | UNIT | 372 | N/A | İSTANBUL TEKNİK KİMYA TİCARET ANONİM ŞİRKETİ |
| 3/11/2024 | 281129909000 | SELENIUM D}IOXIDE | 500 | KILOGRAM | 13827 | N/A | HAYTEK KİMYA SANAYİ VE TİCARET ANONİM ŞİRKETİ |