130949-42-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130949-42-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,9,4 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 130949-42:
(8*1)+(7*3)+(6*0)+(5*9)+(4*4)+(3*9)+(2*4)+(1*2)=127
127 % 10 = 7
So 130949-42-7 is a valid CAS Registry Number.
130949-42-7Relevant articles and documents
Substituted benzo[b]pyrans, processes for their preparation, their use and pharmaceutical preparations based on these compounds
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, (2008/06/13)
Benzo[b]pyran derivatives of the formula I STR1 with E--D equal to CH--CHOH or C=CH; X equal to oxygen or sulfur; Y equal to oxygen, sulfur, SO, SO2 or NR9 ; R1 equal to CN, NO2, Hal, alkoxycarbonyl, SO1-2
