1055974-25-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1055974-25-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,5,5,9,7 and 4 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1055974-25:
(9*1)+(8*0)+(7*5)+(6*5)+(5*9)+(4*7)+(3*4)+(2*2)+(1*5)=168
168 % 10 = 8
So 1055974-25-8 is a valid CAS Registry Number.
1055974-25-8Relevant articles and documents
4-Thio coumarins
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Page/Page column 16-17, (2010/02/05)
4-thio substituted coumarin derivatives and coumarin dimers are provided, as well as processes for their preparation. A synthetic process for the preparation of 4-thio substituted coumarin derivatives is provided using mild reaction conditions, which main