143251-89-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143251-89-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,2,5 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 143251-89:
(8*1)+(7*4)+(6*3)+(5*2)+(4*5)+(3*1)+(2*8)+(1*9)=112
112 % 10 = 2
So 143251-89-2 is a valid CAS Registry Number.
143251-89-2Relevant academic research and scientific papers
[18]-1,4,10,13-tetraoxa-7,16-diphosphino-kronenether [18]-1,4,10,13-tetrathia-7,16-diphosphino-kronenether
Maerkl,Hoferer
, p. 3621 - 3624 (2007/10/02)
The title compounds are easily available by one pot-reactions starting out with dilithiophosphides. [FIGURE PRESENTED].