7248-45-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7248-45-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,2,4 and 8 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 7248-45:
(6*7)+(5*2)+(4*4)+(3*8)+(2*4)+(1*5)=105
105 % 10 = 5
So 7248-45-5 is a valid CAS Registry Number.
InChI:InChI=1/C27H22N6O8S.2Na/c1-41-25-15-20(33-31-18-3-2-4-21(13-18)42(38,39)40)9-11-23(25)29-27(37)28-16-5-7-17(8-6-16)30-32-19-10-12-24(34)22(14-19)26(35)36;;/h2-15,30H,1H3,(H,35,36)(H2,28,29,37)(H,38,39,40);;/q;2*+1/p-2/b32-19+,33-31+;;