84758-91-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84758-91-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,7,5 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 84758-91:
(7*8)+(6*4)+(5*7)+(4*5)+(3*8)+(2*9)+(1*1)=178
178 % 10 = 8
So 84758-91-8 is a valid CAS Registry Number.
84758-91-8Relevant articles and documents
THE OXAZOLE-TRIAMIDE REARRANGEMENT. APPLICATION TO PEPTIDE SYNTHESIS
Wasserman, H. H.,Lu, T.-J.
, p. 3831 - 3834 (2007/10/02)
The carboxyl group of a N-acylated amino acid may be protected by conversion to an oxazole derivative which, on photooxygenation, regenerates the carboxyl group in activated (triamide) form for peptide synthesis.
