Enw Cemegol: 2-Ethoxypyrazine
CAS: 38028-67-0
Purdeb: >98.0% (GC)
Ymddangosiad: Melyn Ysgafn i Hylif Tryloyw Melyn
Cynhyrchu Masnachol o Ansawdd Uchel
E-Mail: alvin@ruifuchem.com
Enw Cemegol: 2,6-Dichloropyrazine
CAS: 4774-14-5
Ymddangosiad: Gronynnau Crisialu Ychydig Felyn
Enw Cemegol: 2,5-Dibromopyrazine
CAS: 23229-26-7
Ymddangosiad: Powdwr neu Grisialau Melyn Gwyn i Ysgafn
Enw Cemegol: 2-Methylpyrazine
CAS: 109-08-0
Purdeb: >99.0% (GC)
Ymddangosiad: Di-liw i Hylif Clir Melyn Ysgafn
Enw Cemegol: 2-Ethylpyrazine
Cyfystyron: Ethylpyrazine
CAS: 13925-00-3
Ymddangosiad: Di-liw i Hylif Melyn Ysgafn
Enw Cemegol: Pyrazinamide
Cyfystyron: Pyrazinecarboxamide
CAS: 98-96-4
Purdeb: > 99.0% (HPLC)
Ymddangosiad: Powdwr Grisialog Gwyn
Enw Cemegol: 2-Chloropyrazine
Cyfystyron: Cloropyrazine
CAS: 14508-49-7
Ymddangosiad: Di-liw i hylif brown
Enw Cemegol: 2,3-Dichloropyrazine
CAS: 4858-85-9
Ymddangosiad: Di-liw i Hylif Melyn Lliw
Enw Cemegol: 5-Chloropyrazine-2-Carboxylic Acid
Cyfystyron: 5-Chloro-2-Pyrazinecarboxylic Asid
CAS: 36070-80-1
Purdeb: > 98.0% (HPLC)
Ymddangosiad: Melyn Ysgafn i Powdwr Brown
Enw Cemegol: 2-Chloro-5-Methylpyrazine
CAS: 59303-10-5
Ymddangosiad: Grisial neu Powdwr Gwyn i All-Gwyn
Enw Cemegol: 3-Aminopyrazine-2-Carboxylic Acid
Cyfystyron: 3-Amino-2-Pyrazinecarboxylic Asid
CAS: 5424-01-1
Purdeb: > 98.0% (T) (HPLC)
Ymddangosiad: Powdwr Crisialog Khaki
Enw Cemegol: 5-Hydroxy-2-Pyrazinecarboxylic Acid
Cyfystyron: 5-Hydroxypyrazine-2-Carboxylic Asid
CAS: 34604-60-9
Enw: 2,3,5,6-Tetramethylpyrazine
Cyfystyron: Tetramethylpyrazine
CAS: 1124-11-4
Purdeb: >99.5% (GC)
Ymddangosiad: Grisial Gwyn neu Powdwr Grisial
Enw: 3-Chloro-2,5-Dimethylpyrazine
CAS: 95-89-6
Purdeb: > 97.5% (HPLC)