82668-71-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82668-71-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,6,6 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 82668-71:
(7*8)+(6*2)+(5*6)+(4*6)+(3*8)+(2*7)+(1*1)=161
161 % 10 = 1
So 82668-71-1 is a valid CAS Registry Number.
82668-71-1Relevant articles and documents
Cycloadditions with 1-Phenyl-5-vinylpyrazole
Medio-Simon, Mercedes,Laviada, M. Jose Alvarez de,Sequlveda-Arques, Jose
, p. 2749 - 2750 (1990)
1-Phenyl-5-vinylpyrazole reacts with dimethylacetylenedicarboxylate (DMAD), N-phenylmaleimide (NPMI), tetracyanoethylene (TCNE), 4-phenyl-1,2,4-triazoline-3,5-dione (PTAD), and diethyl azodicarboxylate (DEAZD) to afford 1:1 adducts through Diels-Alder cyc
