220721-14-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220721-14-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,7,2 and 1 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 220721-14:
(8*2)+(7*2)+(6*0)+(5*7)+(4*2)+(3*1)+(2*1)+(1*4)=82
82 % 10 = 2
So 220721-14-2 is a valid CAS Registry Number.
220721-14-2Relevant articles and documents
Synthesis and formation of metal complexes of 4-alkynyl and 4-cyano-2,6-diisopropylphenylisocyanides
Lu, Zhong-Lin,Mayr, Andreas,Cheung, Kung-Kai
, p. 205 - 214 (2008/10/08)
The 4-halo-2,6-diisopropyl-N-formylanilides HC(O)NH-C6H2-i-Pr2-2,6-X-4, (2a) (X = Br) and 2b (X = I), serve as precursors for the bromo-, iodo-, alkynyl- and cyano-substituted diisopropylphenylisocyanides CN-C6H
