61665-15-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61665-15-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,6,6 and 5 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 61665-15:
(7*6)+(6*1)+(5*6)+(4*6)+(3*5)+(2*1)+(1*5)=124
124 % 10 = 4
So 61665-15-4 is a valid CAS Registry Number.
InChI:InChI=1/C21H26O3/c1-4-21(23)10-9-17-16-7-5-13-11-14(22)6-8-15(13)19(16)18(24-3)12-20(17,21)2/h1,6,8,11,16-19,22-23H,5,7,9-10,12H2,2-3H3/t16-,17-,18+,19+,20-,21-/m0/s1