78177-26-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78177-26-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,1,7 and 7 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 78177-26:
(7*7)+(6*8)+(5*1)+(4*7)+(3*7)+(2*2)+(1*6)=161
161 % 10 = 1
So 78177-26-1 is a valid CAS Registry Number.
78177-26-1Relevant articles and documents
NOUVELLES VOIES D'ACCES AUX PHOSPHA-7-NORBORNENES TRIVALENTS
Mathey, Francois,Mercier, Francois
, p. 319 - 322 (1981)
New λ3-7-phosphanorbornenes are prepared either through the nickelocene reduction-complexation of the corresponding P-sulphides (syn structure) or through the direct cycloaddition of tervalent phospholes with N-phenylmaleimide (anti struc
