159300-45-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 159300-45-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,3,0 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 159300-45:
(8*1)+(7*5)+(6*9)+(5*3)+(4*0)+(3*0)+(2*4)+(1*5)=125
125 % 10 = 5
So 159300-45-5 is a valid CAS Registry Number.
159300-45-5Relevant articles and documents
Reissert Compound Studies. LXVII. The Pyridopyrazine Reissert Compound
Duarte, Frederick F.,Popp, Frank D.
, p. 819 - 824 (2007/10/02)
The pyridopyrazine systems investigated were found to form Reissert compounds in the presence of an acyl halide (or chloroformate) and trimethylsilyl cyanide.Only the mono Reissert compounds were isolated.In the case of 2,3-diphenylpyridopyr
