25554-82-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25554-82-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,5,5 and 4 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 25554-82:
(7*2)+(6*5)+(5*5)+(4*5)+(3*4)+(2*8)+(1*2)=119
119 % 10 = 9
So 25554-82-9 is a valid CAS Registry Number.
25554-82-9Relevant articles and documents
Processes for preparation of 5-pyrazolemercaptan derivatives and intermediates thereof
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, (2008/06/13)
The present invention relates to a process for preparation of 5-pyrazolemercaptan derivatives represented by the following general formula (I), which is useful for synthesis of sulfonyl-urea-based herbicides, and an intermediate thereof, STR1 wherein Rsu
