91421-75-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91421-75-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,4,2 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 91421-75:
(7*9)+(6*1)+(5*4)+(4*2)+(3*1)+(2*7)+(1*5)=119
119 % 10 = 9
So 91421-75-9 is a valid CAS Registry Number.
InChI:InChI=1/C27H45NO2/c1-17-5-10-24(28-16-17)27(4,30)23-9-8-21-20-7-6-18-15-19(29)11-13-25(18,2)22(20)12-14-26(21,23)3/h6,17,19-24,28-30H,5,7-16H2,1-4H3/t17-,19+,20-,21+,22-,23+,24+,25+,26+,27-/m1/s1