167173-90-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 167173-90-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,7,1,7 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 167173-90:
(8*1)+(7*6)+(6*7)+(5*1)+(4*7)+(3*3)+(2*9)+(1*0)=152
152 % 10 = 2
So 167173-90-2 is a valid CAS Registry Number.
InChI:InChI=1/C21H27ClO5/c1-6-12(2)9-13(3)7-8-15-10-16-17(11-26-15)20(27-14(4)23)21(5,25)19(24)18(16)22/h7-10,12,17,20,25H,6,11H2,1-5H3/b8-7+,13-9+/t12-,17-,20+,21-/m0/s1