66641-03-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66641-03-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,6,4 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 66641-03:
(7*6)+(6*6)+(5*6)+(4*4)+(3*1)+(2*0)+(1*3)=130
130 % 10 = 0
So 66641-03-0 is a valid CAS Registry Number.
InChI:InChI=1/C25H31NO5/c1-4-6-20(27)29-18-10-8-15-14-17-16-9-11-19(30-21(28)7-5-2)24-25(16,12-13-26(17)3)22(15)23(18)31-24/h8-11,16-17,19,24H,4-7,12-14H2,1-3H3/t16-,17+,19-,24-,25-/m0/s1