211045-68-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 211045-68-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,0,4 and 5 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 211045-68:
(8*2)+(7*1)+(6*1)+(5*0)+(4*4)+(3*5)+(2*6)+(1*8)=80
80 % 10 = 0
So 211045-68-0 is a valid CAS Registry Number.
211045-68-0Relevant articles and documents
Synthesis of tert-butyl substituted polymethine 1-benzothiopyrylium dyestuffs
Orlova,Gerasimova,Shelkovnikov
, p. 1400 - 1404 (1997)
A series of polymethine thiopyrylium dyestuffs of symmetrical and unsymmetrical structure, containing one to four tert-butyl groups, has been synthesized from 6-tert-butyl-2-(p-tert-butylphenyl)-4-methyl-, 4,6-di(tert-butyl)-2-methyl-, and 6-tert-butyl-2,