91912-82-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91912-82-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,9,1 and 2 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 91912-82:
(7*9)+(6*1)+(5*9)+(4*1)+(3*2)+(2*8)+(1*2)=142
142 % 10 = 2
So 91912-82-2 is a valid CAS Registry Number.
91912-82-2Relevant academic research and scientific papers
Reaction of Carboxonium-Ions of Cyclic Acetals, VIII. - Synthesis of rac-4,5,6,7-Tetrahydro-3,7-dimethyl-1-benzofuran
Meier, Lothar,Runsink, Jan,Scharf, Hans-Dieter
, p. 1298 - 1301 (2007/10/02)
Acid-catalyzed dehydration of the 4-methylene-1,3-dioxolane 2, β-oxa-γ,δ-enone 4a or 4b leads to rac-4,5,6,7-tetrahydro-3,7-dimethyl-1-benzofuran (9) - an isomer of menthofuran.