134918-40-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134918-40-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,9,1 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 134918-40:
(8*1)+(7*3)+(6*4)+(5*9)+(4*1)+(3*8)+(2*4)+(1*0)=134
134 % 10 = 4
So 134918-40-4 is a valid CAS Registry Number.
134918-40-4Relevant articles and documents
4-AMINO-Δ2-1,2,4-OXADIAZOLINES
Andrianov, V. G.,Rozhkov, E. N.,Eremeev, A. V.
, p. 216 - 218 (2007/10/02)
Reaction of 4-nitrobenzonitrile N-oxide with acetone azine and the dimethylhydrazones of acetone, acetaldehyde, and glyoxal affords the hitherto unknown 4-amino-Δ2-1,2,4-oxadiazolines.The reaction with acetone methylhydrazone also gives a 1,2,4,5-oxatriazine.