227937-09-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 227937-09-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,9,3 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 227937-09:
(8*2)+(7*2)+(6*7)+(5*9)+(4*3)+(3*7)+(2*0)+(1*9)=159
159 % 10 = 9
So 227937-09-9 is a valid CAS Registry Number.
227937-09-9Relevant articles and documents
Studies on the cyclomercuration of 1,1′-bis[(arylimino)phenylmethyl]ferrocenes
Cui, Xiu Ling,Wu, Yang Jie,Zou, Da Peng,He, Cun Heng,Chai, Ji Jie
, p. 1023 - 1027 (1999)
The reaction of bisferrocenylimines with mercuric acetate and subsequent treatment with LiCl lead to formation of mono (9) and double (10) cyclomercurated derivatives. The 1H NMR and 199Hg NMR spectra of the double cyclomercurated bi
