213454-54-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 213454-54-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,4,5 and 4 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 213454-54:
(8*2)+(7*1)+(6*3)+(5*4)+(4*5)+(3*4)+(2*5)+(1*4)=107
107 % 10 = 7
So 213454-54-7 is a valid CAS Registry Number.
213454-54-7Relevant articles and documents
1-alkyl-1,4-dihydro-4-imino-3-quinolinecarboxylates. Part 1. General synthesis
Staskun, Benjamin,Van Es, Theodorus
, p. 92 - 99 (2007/10/03)
The synthesis of the hitherto unreported 1-alkyl-1,4-dihydro-4-(ethylimino or arylimino)-3-quinoline-carboxylates is described. The method utilises a 2-halogeno-benzenecarboximidoyl chloride for C-imidoylation of an ethyl 3-alkylamino-2-butenoate or 2-pro
