151837-57-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 151837-57-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,8,3 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 151837-57:
(8*1)+(7*5)+(6*1)+(5*8)+(4*3)+(3*7)+(2*5)+(1*7)=139
139 % 10 = 9
So 151837-57-9 is a valid CAS Registry Number.
151837-57-9Relevant articles and documents
Process for the preparation of N-acylated 2-chloro-5-aminomethylpyridines
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, (2008/06/13)
2-Chloro-5-(N-acyl-aminomethyl)pyridines can be prepared by hydrogenation of 2-chloro-5-cyanopyridine with hydrogen in an acylating agent using a hydrogenation catalyst.
