83145-47-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83145-47-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,1,4 and 5 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 83145-47:
(7*8)+(6*3)+(5*1)+(4*4)+(3*5)+(2*4)+(1*7)=125
125 % 10 = 5
So 83145-47-5 is a valid CAS Registry Number.
InChI:InChI=1/C18H14O4/c1-8-7-22-18-12-4-3-10-9(2)13(19)6-5-11(10)15(12)17(21)16(20)14(8)18/h3-4,7,13,19H,2,5-6H2,1H3