142256-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142256-53-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,2,5 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 142256-53:
(8*1)+(7*4)+(6*2)+(5*2)+(4*5)+(3*6)+(2*5)+(1*3)=109
109 % 10 = 9
So 142256-53-9 is a valid CAS Registry Number.
142256-53-9Relevant articles and documents
Heterocyclic amine, derivatives, their production and use
-
, (2008/06/13)
A novel heterocyclic amine derivative of the general formula: STR1 wherein a ring A and a ring B stand independently for an optionally substituted benzene ring, Z° stands for O or S or STR2 stands for --CH2 --, X stands for O, S or NR1/su
