109628-58-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109628-58-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,6,2 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 109628-58:
(8*1)+(7*0)+(6*9)+(5*6)+(4*2)+(3*8)+(2*5)+(1*8)=142
142 % 10 = 2
So 109628-58-2 is a valid CAS Registry Number.
109628-58-2Relevant articles and documents
SYNTHESES WITH SULFONES XLVI : STEREOSELECTIVE PREPARATION OF 2-BENZENESULFONYL-1,3-DIENES AND 2-BENZENESULFONYL-1,4-DIENES
Cuvigny, T.,Penhoat, C. Herve du,Julia, M.
, p. 5329 - 5336 (1986)
The stereoselective syntheses of EE 2-benzenesulfonyl-1,3-dienes and 2-benzenesulfonyl-1,4-dienes are described.Diels-Alder cycloaddition of the EE 2-benzenesulfonyl-1,3-dienes 3b with methylvinylketone is reported.
