28312-74-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28312-74-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,3,1 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 28312-74:
(7*2)+(6*8)+(5*3)+(4*1)+(3*2)+(2*7)+(1*4)=105
105 % 10 = 5
So 28312-74-5 is a valid CAS Registry Number.
InChI:InChI=1/C23H32O4/c1-14(24)26-17-9-11-22(3)16(13-17)5-6-18-19-7-8-21(27-15(2)25)23(19,4)12-10-20(18)22/h8-9,16,18-20H,5-7,10-13H2,1-4H3/t16-,18-,19-,20-,22-,23-/m0/s1