155788-21-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155788-21-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,7,8 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 155788-21:
(8*1)+(7*5)+(6*5)+(5*7)+(4*8)+(3*8)+(2*2)+(1*1)=169
169 % 10 = 9
So 155788-21-9 is a valid CAS Registry Number.
InChI:InChI=1/C18H27N9O4/c1-25(2)8-7-20-18(31)16-24-13(10-27(16)4)22-14(29)5-6-19-17(30)15-23-12(21-11-28)9-26(15)3/h9-11H,5-8H2,1-4H3,(H,19,30)(H,20,31)(H,21,28)(H,22,29)