2681-63-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2681-63-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,6,8 and 1 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2681-63:
(6*2)+(5*6)+(4*8)+(3*1)+(2*6)+(1*3)=92
92 % 10 = 2
So 2681-63-2 is a valid CAS Registry Number.
InChI:InChI=1/C19H30O6S/c1-18-7-5-12(25-26(22,23)24)9-11(18)3-4-13-14(18)6-8-19(2)15(13)10-16(20)17(19)21/h3,12-17,20-21H,4-10H2,1-2H3,(H,22,23,24)/t12?,13-,14+,15+,16?,17?,18+,19+/m1/s1