72987-39-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72987-39-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,9,8 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 72987-39:
(7*7)+(6*2)+(5*9)+(4*8)+(3*7)+(2*3)+(1*9)=174
174 % 10 = 4
So 72987-39-4 is a valid CAS Registry Number.
InChI:InChI=1/C27H22ClN7O16S5/c28-25-31-26(29-16-2-1-3-18(12-16)53(39,40)41)33-27(32-25)30-20-13-19(54(42,43)44)10-14-11-21(55(45,46)47)23(24(36)22(14)20)35-34-15-4-6-17(7-5-15)52(37,38)9-8-51-56(48,49)50/h1-7,10-13,36H,8-9H2,(H,39,40,41)(H,42,43,44)(H,45,46,47)(H,48,49,50)(H2,29,30,31,32,33)