157437-14-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157437-14-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,4,3 and 7 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 157437-14:
(8*1)+(7*5)+(6*7)+(5*4)+(4*3)+(3*7)+(2*1)+(1*4)=144
144 % 10 = 4
So 157437-14-4 is a valid CAS Registry Number.
157437-14-4Relevant articles and documents
Nicotinic acid hydrazone compounds which have useful herbicidal compositions
-
, (2008/06/13)
The invention relates to nicotinic acid hydrazone derivatives of formula I: STR1 in which the various symbols are as defined in the description, and their use as herbicides or as intermediates in the synthesis of herbicides.