118718-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118718-53-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,7,1 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 118718-53:
(8*1)+(7*1)+(6*8)+(5*7)+(4*1)+(3*8)+(2*5)+(1*3)=139
139 % 10 = 9
So 118718-53-9 is a valid CAS Registry Number.
118718-53-9Relevant articles and documents
Synthesis of Pyrroles via the Cross-Aldol Reaction
Meunier, Anne,Neier, Reinhard
, p. 381 - 383 (2007/10/02)
Substituted pyrroles and pyrroloisoquinoline derivatives are obtained via the cross-aldol reaction of silyl enol ethers with N-acylaminoacetone acetals or phthalimidoacetone acetals, respectively.