17672-05-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17672-05-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,6,7 and 2 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 17672-05:
(7*1)+(6*7)+(5*6)+(4*7)+(3*2)+(2*0)+(1*5)=118
118 % 10 = 8
So 17672-05-8 is a valid CAS Registry Number.
InChI:InChI=1/C20H29NO/c1-16(8-6-9-17(2)13-15-21-22)11-12-19-18(3)10-7-14-20(19,4)5/h6,8-9,11-13,15,22H,7,10,14H2,1-5H3/b9-6+,12-11-,16-8-,17-13-,21-15+