220659-90-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220659-90-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,6,5 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 220659-90:
(8*2)+(7*2)+(6*0)+(5*6)+(4*5)+(3*9)+(2*9)+(1*0)=125
125 % 10 = 5
So 220659-90-5 is a valid CAS Registry Number.
220659-90-5Relevant academic research and scientific papers
Wu, Iuan-Yuan,Lin, Jiann T.,Wen, Yuh S.
, p. 320 - 327 (1999)
Replacement of "NR2" substituents in crystal violet (or ethyl violet) by "CpRu(PPh3)2(C≡ C)" results in formation of stable derivatives of triaryl carbocations, {[CpRu(PPh3)2(C≡CC6H 4