893428-02-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 893428-02-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,3,4,2 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 893428-02:
(8*8)+(7*9)+(6*3)+(5*4)+(4*2)+(3*8)+(2*0)+(1*2)=199
199 % 10 = 9
So 893428-02-9 is a valid CAS Registry Number.
893428-02-9Relevant articles and documents
Reactions of β-alkoxyvinyl trifluoromethyl ketones with terminal alkynes - Reagent-controlled regioselectivity addition reactions
Zhu, Shizheng,Jin, Guifang,Jiang, Hulling
, p. 2127 - 2131 (2005)
Reactions of β-alkoxyvinyl trifluoromethyl ketones ROCH=CHCOCF 3 (1, R = Et, Me2CHCH2), and their cyclic analogues 4-trifluoroacetyl-2,3-dihydrofuran (2a) and 5-trifluoroacetyl-3,4- dihydro-2H-pyran (2b), with terminal alk
