250592-93-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 250592-93-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,0,5,9 and 2 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 250592-93:
(8*2)+(7*5)+(6*0)+(5*5)+(4*9)+(3*2)+(2*9)+(1*3)=139
139 % 10 = 9
So 250592-93-9 is a valid CAS Registry Number.
250592-93-9Relevant articles and documents
Preparation of 4-bromoaniline derivatives
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Page column 7, (2008/06/13)
A process for preparing 4-bromoaniline derivatives of the formula I where: R1is C1-C6-alkyl, C1-C6-haloalkyl, C1-C6-alkoxy, C1-C6-haloalkoxy, C3-