天天玩天天干夜夜吻夜夜添_亚洲另类无码专区首_717午夜福利电影_中国极品美軳视频区

























5-mercapto-1-methyltetrazole



intro:
Molecular Formula: C2H4N4S      
Molecular Weight: 116.15   
CAS RN: 13183-79-4
Structural Formula:  
 

1. Properties & Use
Appearance: white crystal, soluble in water, chloroform ether etc.; has irritating odor.
It is used in the synthesis of cefoperazone, cefmenoxime, cefazaflur, cefivitril, KIT-108, SM-1652 etc.
2. Quality Spec.
      Item
Details
Appearance
white crystalline powder
Assay        ≥  %
99
M.p.:        ℃
125~127
Moisture       ≤  %
0.5

3. Packing
In cardboard drum lined with plastic bag, 25kg, or upon clients' demand.





?