103238-57-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103238-57-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,2,3 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 103238-57:
(8*1)+(7*0)+(6*3)+(5*2)+(4*3)+(3*8)+(2*5)+(1*7)=89
89 % 10 = 9
So 103238-57-9 is a valid CAS Registry Number.
InChI:InChI=1/C22H21N7O6S2/c23-22-25-8-13(37-22)14(27-35-12-4-5-24-17(12)30)18(31)26-15-19(32)29-16(21(33)34)11(10-36-20(15)29)9-28-6-2-1-3-7-28/h1-3,6-8,12,15,20H,4-5,9-10H2,(H4-,23,24,25,26,27,30,31,33,34)/t12?,15-,20-/m0/s1