850997-71-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 850997-71-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,0,9,9 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 850997-71:
(8*8)+(7*5)+(6*0)+(5*9)+(4*9)+(3*7)+(2*7)+(1*1)=216
216 % 10 = 6
So 850997-71-6 is a valid CAS Registry Number.
850997-71-6Relevant articles and documents
[5 + 1] Annulation: A synthetic strategy for highly substituted phenols and cyclohexenones
Bi, Xihe,Dong, Dewen,Liu, Qun,Pan, Wei,Zhao, Lei,Li, Bing
, p. 4578 - 4579 (2007/10/03)
A novel [5 + 1] annulation strategy is developed for the synthesis of highly substituted phenols and cyclohexenones from α-alkenoyl ketenedithioacetals and nitroalkanes. Copyright