61909-81-7 Usage
Uses
Solutol HS-15, is a permeability enhancer.
Check Digit Verification of cas no
The CAS Registry Mumber 61909-81-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,9,0 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 61909-81:
(7*6)+(6*1)+(5*9)+(4*0)+(3*9)+(2*8)+(1*1)=137
137 % 10 = 7
So 61909-81-7 is a valid CAS Registry Number.
InChI:InChI=1/C20H40O4/c1-2-3-4-11-14-19(22)15-12-9-7-5-6-8-10-13-16-20(23)24-18-17-21/h19,21-22H,2-18H2,1H3