5571-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5571-91-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,7 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5571-91:
(6*5)+(5*5)+(4*7)+(3*1)+(2*9)+(1*1)=105
105 % 10 = 5
So 5571-91-5 is a valid CAS Registry Number.
InChI:InChI=1/C26H45NO6S/c1-16(7-10-23(30)27-12-13-34(31,32)33)18-8-9-19-24-20(15-22(29)26(18,19)3)25(2)11-5-4-6-17(25)14-21(24)28/h16-22,24,28-29H,4-15H2,1-3H3,(H,27,30)(H,31,32,33)/t16-,17+,18-,19?,20?,21-,22+,24?,25+,26-/m1/s1