72187-36-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72187-36-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,8 and 7 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 72187-36:
(7*7)+(6*2)+(5*1)+(4*8)+(3*7)+(2*3)+(1*6)=131
131 % 10 = 1
So 72187-36-1 is a valid CAS Registry Number.
InChI:InChI=1/C25H21N5O13S3.3Na/c31-23(26-17-2-1-3-20(14-17)44(35,36)13-12-43-46(40,41)42)15-4-6-16(7-5-15)27-28-21-22(25(33)34)29-30(24(21)32)18-8-10-19(11-9-18)45(37,38)39;;;/h1-11,14,21H,12-13H2,(H,26,31)(H,33,34)(H,37,38,39)(H,40,41,42);;;/q;3*+1/p-3