186142-39-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 186142-39-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,6,1,4 and 2 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 186142-39:
(8*1)+(7*8)+(6*6)+(5*1)+(4*4)+(3*2)+(2*3)+(1*9)=142
142 % 10 = 2
So 186142-39-2 is a valid CAS Registry Number.
186142-39-2Relevant articles and documents
Phenylpyridazinones
-
, (2008/06/13)
The invention relates to novel phenylpyridazinones of the general formula (I) in which R1, R2, R3, R4, R5and R6are each as defined in the description, to processes for their preparation, to