105554-67-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105554-67-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,5,5 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 105554-67:
(8*1)+(7*0)+(6*5)+(5*5)+(4*5)+(3*4)+(2*6)+(1*7)=114
114 % 10 = 4
So 105554-67-4 is a valid CAS Registry Number.
105554-67-4Relevant academic research and scientific papers
Gompper, Rudolf,Guggenberger, Rainer
, p. 159 - 162 (1986)
3-Dimethylamino- and 3,5-Bis-dimethylamino-pyrazoles react with 1,2- and 1,3-dithiolium salts to form 6,7-diaza-dithiafulvalenes and 5-aza-8a-azonia-dithiafulvalenes, a new type of heterofulvalenes.