154657-76-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 154657-76-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,6,5 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 154657-76:
(8*1)+(7*5)+(6*4)+(5*6)+(4*5)+(3*7)+(2*7)+(1*6)=158
158 % 10 = 8
So 154657-76-8 is a valid CAS Registry Number.
154657-76-8Relevant articles and documents
Synthesis of extended chromogenic tetra-(p-substituted-phenyl)-tetraethoxycalix[4]arenes
Wong,Nicoud
, p. 8237 - 8240 (1993)
Synthesis of cone conformer of donor-acceptor phenylcalix[4]arene derivatives was achieved by palladium(0) catalysed cross coupling reactions.