878209-05-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 878209-05-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,8,2,0 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 878209-05:
(8*8)+(7*7)+(6*8)+(5*2)+(4*0)+(3*9)+(2*0)+(1*5)=203
203 % 10 = 3
So 878209-05-3 is a valid CAS Registry Number.
878209-05-3Relevant articles and documents
Synthesis and the keto-enol equilibrium of 2-acyl lactams
Nenajdenko,Gololobov,Zakurdaev,Balenkova
, p. 2473 - 2482 (2003)
Condensation of N-substituted lactams with carboxylic acid esters was studied. A wide range of substituted 2-acyl lactams with different ring sizes were synthesized. The structure of 2-acyl lactams (primarily, the ring size) was found to influence the ket
