81287-62-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81287-62-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,8 and 7 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81287-62:
(7*8)+(6*1)+(5*2)+(4*8)+(3*7)+(2*6)+(1*2)=139
139 % 10 = 9
So 81287-62-9 is a valid CAS Registry Number.
InChI:InChI=1/C25H28O14/c26-11-2-1-9(3-12(11)27)16-6-14(29)19-13(28)4-10(5-17(19)38-16)37-24-23(34)21(32)18(8-36-24)39-25-22(33)20(31)15(30)7-35-25/h1-5,15-16,18,20-28,30-34H,6-8H2/t15-,16+,18-,20+,21-,22-,23+,24+,25+/m1/s1