109176-12-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109176-12-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,1,7 and 6 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 109176-12:
(8*1)+(7*0)+(6*9)+(5*1)+(4*7)+(3*6)+(2*1)+(1*2)=117
117 % 10 = 7
So 109176-12-7 is a valid CAS Registry Number.
109176-12-7Relevant articles and documents
Process for preparing furan compositions
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, (2008/06/13)
A process for preparing furans of the formula (I) STR1 by reacting a furanone of the formula STR2 with an organic orthoacid or an orthosilicate in the presence of an acid catalyst at an elevated temperature.