81542-87-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81542-87-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,5,4 and 2 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 81542-87:
(7*8)+(6*1)+(5*5)+(4*4)+(3*2)+(2*8)+(1*7)=132
132 % 10 = 2
So 81542-87-2 is a valid CAS Registry Number.
InChI:InChI=1/C10H15N8O12P3/c11-8-6-9(14-2-13-8)18(3-15-6)10-5(16-17-12)7(19)4(28-10)1-27-32(23,24)30-33(25,26)29-31(20,21)22/h2-5,7,10,19H,1H2,(H,23,24)(H,25,26)(H2,11,13,14)(H2,20,21,22)/t4-,5+,7-,10-/m1/s1