109658-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109658-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,6,5 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 109658-81:
(8*1)+(7*0)+(6*9)+(5*6)+(4*5)+(3*8)+(2*8)+(1*1)=153
153 % 10 = 3
So 109658-81-3 is a valid CAS Registry Number.
109658-81-3Relevant academic research and scientific papers
ULTRASONIC FORMATION AND REACTIONS OF SODIUM PHENYLSELENIDE
Ley, Steven V.,O'Neil, Ian A.,Low, Caroline M. R.
, p. 5363 - 5368 (2007/10/02)
Treatment of diphenyldiselenide with sodium metal in tetrahydrofuran under ultrasonic conditions conveniently gave a suspension of sodium phenylselenide which could be transferred by syringe or cannula and reacted with sulphonates, halides and epoxides.
