88491-33-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 88491-33-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,4,9 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 88491-33:
(7*8)+(6*8)+(5*4)+(4*9)+(3*1)+(2*3)+(1*3)=172
172 % 10 = 2
So 88491-33-2 is a valid CAS Registry Number.
88491-33-2Relevant articles and documents
Some Applications of the Curtius Rearrangement
Moutevelis-Minakakis, Panagiota,Photaki, Iphigenia
, p. 2277 - 2282 (2007/10/02)
Pairs of optically pure enantiomers of substituted 1,1-diamines have been prepared from the azides of L-amino-acids via the Curtius rearrangement.This synthesis is based on the interchange of two groups attached to the asymmetrically substituted tetrahedr