2176-06-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2176-06-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,7 and 6 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 2176-06:
(6*2)+(5*1)+(4*7)+(3*6)+(2*0)+(1*6)=69
69 % 10 = 9
So 2176-06-9 is a valid CAS Registry Number.
2176-06-9Relevant articles and documents
GENERAL APPROACHES TO PHOSPHINIDENES VIA RETROADDITIONS
Li, Xinhua,Lei, Deqing,Chiang, Michael Y.,Gaspar, Peter P.
, p. 71 - 74 (2007/10/02)
Retroadditions - thermal and photochemical decomposition of phosphiranes and 3-phospholenes - offer general routes to free phosphinidenes.