72912-59-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72912-59-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,9,1 and 2 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 72912-59:
(7*7)+(6*2)+(5*9)+(4*1)+(3*2)+(2*5)+(1*9)=135
135 % 10 = 5
So 72912-59-5 is a valid CAS Registry Number.
72912-59-5Relevant articles and documents
Preparation of cis-hexahydrodibenzopyranones
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, (2008/06/13)
Reaction of 4-(1-hydroxy-1-methylethyl)-3-cyclohexen-1-one with a 5-substituted resorcinol in the presence of boron tribromide, boron trifluoride or stannic chloride provides, depending upon the duration of reaction, either a 2,7-dihydroxy-5-isopropyliden
