66899-69-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66899-69-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,8,9 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 66899-69:
(7*6)+(6*6)+(5*8)+(4*9)+(3*9)+(2*6)+(1*9)=202
202 % 10 = 2
So 66899-69-2 is a valid CAS Registry Number.
InChI:InChI=1/C12H20O4.2C8H12O4.C4H9.Sn/c1-3-5-7-10(9-11(13)14)12(15)16-8-6-4-2;2*1-2-3-6-12-8(11)5-4-7(9)10;1-3-4-2;/h9H,3-8H2,1-2H3,(H,13,14);2*4-5H,2-3,6H2,1H3,(H,9,10);1,3-4H2,2H3;/b10-9-;2*5-4-;;/rC12H20O4.2C8H12O4.C4H9Sn/c1-3-5-7-10(9-11(13)14)12(15)16-8-6-4-2;2*1-2-3-6-12-8(11)5-4-7(9)10;1-2-3-4-5/h9H,3-8H2,1-2H3,(H,13,14);2*4-5H,2-3,6H2,1H3,(H,9,10);2-4H2,1H3/b10-9-;2*5-4-;