16983-23-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16983-23-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,9,8 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 16983-23:
(7*1)+(6*6)+(5*9)+(4*8)+(3*3)+(2*2)+(1*3)=136
136 % 10 = 6
So 16983-23-6 is a valid CAS Registry Number.
InChI:InChI=1/C15H20O4/c1-8-4-12-10(9(2)14(17)19-12)6-15(3)7-18-13(16)5-11(8)15/h8,10-12H,2,4-7H2,1,3H3/t8-,10-,11+,12+,15-/m1/s1