109628-69-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109628-69-5 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, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 109628-69:
(8*1)+(7*0)+(6*9)+(5*6)+(4*2)+(3*8)+(2*6)+(1*9)=145
145 % 10 = 5
So 109628-69-5 is a valid CAS Registry Number.
109628-69-5Relevant articles and documents
SYNTHESES WITH SULFONES XLV: STEREOSELECTIVE PREPARATION OF 1- BENZENESULFONYL-1,3-DIENES
Cuvigny, T.,Penhoat, C. Herve du,Julia, M.
, p. 5321 - 5328 (2007/10/02)
The stereoselective preparation of EE 1-benzenesulfonyl-1,3-dienes is described.Michael addition and Diels-Alder cycloaddition of these compounds are reported.
