415717-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 415717-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,1,5,7,1 and 7 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 415717-55:
(8*4)+(7*1)+(6*5)+(5*7)+(4*1)+(3*7)+(2*5)+(1*5)=144
144 % 10 = 4
So 415717-55-4 is a valid CAS Registry Number.
415717-55-4Relevant articles and documents
A first synthesis of isothiocoumestan and heterocyclic analogues
Deprets, Stephanie,Kirsch, Gilbert
, p. 421 - 426 (2007/10/03)
Substituted isothiocoumestan 5a and heterocyclic analogues 5b-c, obtained by replacing ring B by different heterocycles like thiophene and selenophene, were prepared.
