81411-65-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81411-65-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,1 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 81411-65:
(7*8)+(6*1)+(5*4)+(4*1)+(3*1)+(2*6)+(1*5)=106
106 % 10 = 6
So 81411-65-6 is a valid CAS Registry Number.
81411-65-6Relevant articles and documents
Syntheses and Transformations of Some 1,2,4-Oxadiazolylpyrazines
Kocevar, M.,Stanovnik, B.,Tisler, M.
, p. 1397 - 1402 (2007/10/02)
Cyanopyrazines with an ortho-amino, oxo and other groups are transformed into the corresponding amidoximes.From these the corresponding 1,2,4-oxadiazolyl derivatives can be prepared and interconversions to the corresponding pteridine 3-oxides are described.