81224-28-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81224-28-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,2 and 4 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81224-28:
(7*8)+(6*1)+(5*2)+(4*2)+(3*4)+(2*2)+(1*8)=104
104 % 10 = 4
So 81224-28-4 is a valid CAS Registry Number.
81224-28-4Relevant articles and documents
Synthese de derives indoliques substitues in 7
Kim, Phieo Ta,Guillard, Roger,Samreth, Soth,Sornay, Roland
, p. 1373 - 1377 (2007/10/02)
The synthesis and some aspects of the chemical reactivity of 7-acetyl, 7-benzoyl and 7-bromoindoles are described.