6688-50-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6688-50-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,8 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 6688-50:
(6*6)+(5*6)+(4*8)+(3*8)+(2*5)+(1*0)=132
132 % 10 = 2
So 6688-50-2 is a valid CAS Registry Number.
InChI:InChI=1/C8H6O4.2C4H9.Sn/c9-7(10)5-3-1-2-4-6(5)8(11)12;2*1-3-4-2;/h1-4H,(H,9,10)(H,11,12);2*1,3-4H2,2H3;/rC8H6O4.C8H18Sn/c9-7(10)5-3-1-2-4-6(5)8(11)12;1-3-5-7-9-8-6-4-2/h1-4H,(H,9,10)(H,11,12);3-8H2,1-2H3