6163-61-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6163-61-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,1,6 and 3 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 6163-61:
(6*6)+(5*1)+(4*6)+(3*3)+(2*6)+(1*1)=87
87 % 10 = 7
So 6163-61-7 is a valid CAS Registry Number.
6163-61-7Relevant articles and documents
A convenient alternative to prepare phosphine sulfides
Miranda,Salas,Mondragon,Velasco
, p. 1077 - 1080 (2007/10/02)
An efficient procedure to obtain phosphine sulfides by means of their corresponding phosphines in presence of sodium polisulfide solution, is described. Reaction yields are high and the work-up is very simple.