129169-71-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129169-71-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,1,6 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 129169-71:
(8*1)+(7*2)+(6*9)+(5*1)+(4*6)+(3*9)+(2*7)+(1*1)=147
147 % 10 = 7
So 129169-71-7 is a valid CAS Registry Number.
129169-71-7Relevant articles and documents
CYCLOADDITION DIPOLAIRE 1,3 DES 4-ARYLIDENE OXAZOL-5-ONES AVEC LA DIPHENYLNITRILIMINE
Baba, N.,Soufiaoui, M.
, p. 1709 - 1712 (2007/10/02)
The 1,3-dipolar cycloaddition of 4-arylidene oxazol-5-ones with diphenylnitrilimine is regiospecific and gives one adduct (2).The nature of solvent and the temperature promote the formation of adduct (2) and/or pyrazoline (3).
