131749-60-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131749-60-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,7,4 and 9 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 131749-60:
(8*1)+(7*3)+(6*1)+(5*7)+(4*4)+(3*9)+(2*6)+(1*0)=125
125 % 10 = 5
So 131749-60-5 is a valid CAS Registry Number.
InChI:InChI=1/C23H28O10/c1-29-15-6-5-14(22(30-2)19(15)26)12-7-11-3-4-13(8-16(11)31-10-12)32-23-21(28)20(27)18(25)17(9-24)33-23/h3-6,8,12,17-18,20-21,23-28H,7,9-10H2,1-2H3/t12-,17-,18-,20+,21-,23-/m1/s1