123854-20-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123854-20-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,8,5 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 123854-20:
(8*1)+(7*2)+(6*3)+(5*8)+(4*5)+(3*4)+(2*2)+(1*0)=116
116 % 10 = 6
So 123854-20-6 is a valid CAS Registry Number.
123854-20-6Relevant articles and documents
Ferrocene und Ferrocenophane mit dipolaren Strukturelementen
Pagel, Karsten,Werner, Andreas,Friedrichsen, Willy
, p. 109 - 124 (2007/10/02)
The synthesis of ferrocenyl substituted pyrazoles (3, 7, 14 and 15) and the subsequent reaction of these compounds with reactive malonic acid derivatives yielding dipolaric pyrazolopyrazol-4-ium-3-olates (4, 8, 16 and 17) is described.Key words: Ir
