19-15-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19-15-8 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 1 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 19-15:
(4*1)+(3*9)+(2*1)+(1*5)=38
38 % 10 = 8
So 19-15-8 is a valid CAS Registry Number.
InChI:InChI=1/C33H28N5O17PS3/c1-16-6-7-19(33(42)35-25-8-9-27(58(49,50)51)22-12-21(57(46,47)48)13-28(29(22)25)59(52,53)54)11-26(16)36-32(41)18-4-3-5-20(10-18)37-38-31-24(15-55-56(43,44)45)23(14-39)30(40)17(2)34-31/h3-14,37H,15H2,1-2H3,(H,35,42)(H,36,41)(H2,43,44,45)(H,46,47,48)(H,49,50,51)(H,52,53,54)/b38-31+