| 3/14/2018 | 290539959011 | "BESEIR PHARMACEUTICAL RAW MATERIAL 2-METHYL-2,4 PENTANEDIOL FOR SYNTHESIS"
| 370 | Kilogram | 2158.06 | N/A | SANOFI ILAÇ SANAYI VE TICARET ANONIM SIRKETI |
| 3/20/2018 | 290539959019 | "2- METHYL 2,4 PENTANEDIO"
| 375 | Liter | 2294.02 | N/A | YILMAZ KIMYA INSAATSANAYI VE TICARET A.S. |
| 3/12/2018 | 290539959019 | "2-METHYL-2,4-PENTANEDIOL FOR SYNTHESIS"
| 185 | Units | 1109.23 | N/A | ISTANBUL TEKNIK KIMYA TIC.A.S. |
| 3/20/2024 | 291440900000 | 4-HYDROXY-4-METHYL-2--PENTANONE | 2 | UNIT | 454 | N/A | İNTERLAB LABORATUAR ÜRÜNLERİ SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/8/2024 | 290519009018 | 4-METHYL-2-PENTANOL -99%,OCTYLDODECANOL | 3 | UNIT | 145 | N/A | İNTERLAB LABORATUAR ÜRÜNLERİ SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/12/2024 | 290519009018 | 4-METHYL-2-PENTANOL -FOR SYNTHESIS | 2 | UNIT | 38 | N/A | İSTANBUL TEKNİK KİMYA TİCARET ANONİM ŞİRKETİ |
| 3/22/2024 | 290539959019 | 2-METHYL-2,4-PENTANE-DIOL FOR SYNTHESIS | 6 | UNIT | 1631 | N/A | SELEN KİMYEVİ MADDELER TİCARET VE SANAYİ LİMİTED ŞİRKETİ |
| 3/20/2024 | 291590700049 | FLAVOR ETHYL 2- METHYL PENTANOATE | 5 | KILOGRAM | 66 | N/A | DOĞAL KATKI MALZEMELERİ VE TARIM ÜRÜNLERİ ANONİM ŞİRKETİ |
| 3/4/2024 | 290519009018 | 4-METHYL-2-PENTANOL -FOR SYNTHESİS | 6 | UNIT | 214 | N/A | KİMEKS KİMYASAL MADDELER VE SAĞLIK GEREÇLERİ TİCARET ANONİM ŞİRKETİ |
| 3/1/2024 | 290519009016 | 4-METHYL -2- PENTANOL (TO BE USED IN LABORATORIES / FOR ANALYSIS PURPOSES.) | 1 | UNIT | 35 | N/A | KOCİNTOK LABORATUAR MALZEMELERİ TİCARET VE SANAYİ ANONİM ŞİRKETİ |