225387-44-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 225387-44-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,5,3,8 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 225387-44:
(8*2)+(7*2)+(6*5)+(5*3)+(4*8)+(3*7)+(2*4)+(1*4)=140
140 % 10 = 0
So 225387-44-0 is a valid CAS Registry Number.
225387-44-0Relevant articles and documents
Processes for preparing intermediates
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Page/Page column 7-8, (2010/01/31)
The invention relates to processes for the preparation of compounds of formula (I), wherein R1and R2are as defined in the description.