84040-16-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84040-16-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,0,4 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 84040-16:
(7*8)+(6*4)+(5*0)+(4*4)+(3*0)+(2*1)+(1*6)=104
104 % 10 = 4
So 84040-16-4 is a valid CAS Registry Number.
84040-16-4Relevant articles and documents
ADDITION REACTIONS OF SOME SIMPLE THIOALDEHYDES.
Baldwin, Jack E.,Lopez, Gerald R. C.
, p. 1487 - 1498 (2007/10/02)
When generated at 100 deg C, aliphatic and aromatic thioaldehydes without electronic bias are shown to undergo addition reactions to both aliphatic and aromatic 1,3-dienes.The reaction is shown to have application in an intramolecular example.