17567-74-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17567-74-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,5,6 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 17567-74:
(7*1)+(6*7)+(5*5)+(4*6)+(3*7)+(2*7)+(1*4)=137
137 % 10 = 7
So 17567-74-7 is a valid CAS Registry Number.
InChI:InChI=1/C33H34N4O6.2C5H5N.Fe/c1-7-20-16(3)26-13-24-17(4)22(9-11-30(38)39)27(34-24)15-28-23(10-12-31(40)41)18(5)25(35-28)14-29-21(8-2)19(6)33(42,37-29)43-32(20)36-26;2*1-2-4-6-5-3-1;/h7-8,13-15,42H,1-2,9-12H2,3-6H3,(H4,34,35,36,37,38,39,40,41);2*1-5H;/q;;;+2/p-2