147809-15-2 Usage
Preparation
preparation by treating o-toluic acid with 2-methyl-resorcinol in the presence of Zeolite-H-beta (previously activated at 400°), in refluxing p-chlorotoluene or n-decane for 23 h (with water removal).
Check Digit Verification of cas no
The CAS Registry Mumber 147809-15-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,8,0 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 147809-15:
(8*1)+(7*4)+(6*7)+(5*8)+(4*0)+(3*9)+(2*1)+(1*5)=152
152 % 10 = 2
So 147809-15-2 is a valid CAS Registry Number.