| Entry | 
 | 
| Name | 
Krypton Kr 81m (USP); Krypton (81mKr); MPI krypton 81m gas generator (TN)  | 
| Formula | 
Kr 
  | 
| Exact mass | 
80.9166 
  | 
| Mol weight | 
83.80 
  | 
| Structure | 
  
 | 
| Remark | 
| Therapeutic category:  | 4300 |  
  | 
| Efficacy | 
Diagnostic aid, Radioactive agent  | 
| Brite | 
Anatomical Therapeutic Chemical (ATC) classification [BR:br08303] 
 V VARIOUS 
  V09 DIAGNOSTIC RADIOPHARMACEUTICALS 
   V09E RESPIRATORY SYSTEM 
    V09EX Other respiratory system diagnostic radiopharmaceuticals 
     V09EX01 Krypton (81mKr) gas 
      D04656  Krypton Kr 81m (USP) <JP> 
Therapeutic category of drugs in Japan [BR:br08301] 
 4  Agents affecting cellular function 
  43  Radioactive drugs 
   430  Radioactive drugs 
    4300  Radioactive drugs 
     D04656  Krypton Kr 81m (USP) 
  | 
| Other DBs | 
 | 
| LinkDB | 
 | 
| KCF data | 
 ATOM        1 
            1   Z   Kr   13.9300  -13.3000 
BOND        0 
  |