68109-87-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68109-87-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,1,0 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 68109-87:
(7*6)+(6*8)+(5*1)+(4*0)+(3*9)+(2*8)+(1*7)=145
145 % 10 = 5
So 68109-87-5 is a valid CAS Registry Number.
InChI:InChI=1/2C11H10O4.C4H4O4.4C4H9.2Sn/c2*12-10(13)6-7-11(14)15-8-9-4-2-1-3-5-9;5-3(6)1-2-4(7)8;4*1-3-4-2;;/h2*1-7H,8H2,(H,12,13);1-2H,(H,5,6)(H,7,8);4*1,3-4H2,2H3;;/b2*7-6+;2-1+;;;;;;/r2C11H10O4.2C8H18Sn.C4H4O4/c2*12-10(13)6-7-11(14)15-8-9-4-2-1-3-5-9;2*1-3-5-7-9-8-6-4-2;5-3(6)1-2-4(7)8/h2*1-7H,8H2,(H,12,13);2*3-8H2,1-2H3;1-2H,(H,5,6)(H,7,8)/b2*7-6+;;;2-1+