1158-50-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1158-50-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,5 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1158-50:
(6*1)+(5*1)+(4*5)+(3*8)+(2*5)+(1*0)=65
65 % 10 = 5
So 1158-50-5 is a valid CAS Registry Number.
1158-50-5Relevant articles and documents
2,2-BIS(TRIFLUOROMETHYL)ETHYLENE-1,1-DICARBONITRILE AND STYRENES. A DICHOTOMY OF CYCLOADDITION PATHWAYS
Brueckner, Reinhard,Huisgen, Rolf,Schmid, Joerg
, p. 7129 - 7132 (2007/10/02)
The title compounds undergo reversible Diels-Alder reactions and irreversible cycloadditions.The nonaromatic Diels-Alder adducts were isolated and subjected to cycloadditions with N-methyl-triazolinedione.
