137109-33-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137109-33-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,1,0 and 9 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137109-33:
(8*1)+(7*3)+(6*7)+(5*1)+(4*0)+(3*9)+(2*3)+(1*3)=112
112 % 10 = 2
So 137109-33-2 is a valid CAS Registry Number.
InChI:InChI=1/C20H30O3/c1-14-6-5-7-17-19(14,3)10-8-15(2)20(17,4)11-9-16(13-21)12-18(22)23/h6,12-13,15,17H,5,7-11H2,1-4H3,(H,22,23)/b16-12-/t15-,17+,19+,20+/m1/s1