338752-31-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 338752-31-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,8,7,5 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 338752-31:
(8*3)+(7*3)+(6*8)+(5*7)+(4*5)+(3*2)+(2*3)+(1*1)=161
161 % 10 = 1
So 338752-31-1 is a valid CAS Registry Number.
InChI:InChI=1/C23H28ClN3O5S.C4H11N5.ClH/c1-32-21-12-9-17(24)15-20(21)22(28)25-14-13-16-7-10-19(11-8-16)33(30,31)27-23(29)26-18-5-3-2-4-6-18;1-9(2)4(7)8-3(5)6;/h7-12,15,18H,2-6,13-14H2,1H3,(H,25,28)(H2,26,27,29);1-2H3,(H5,5,6,7,8);1H