52-57-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52-57-3 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 5 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 52-57:
(4*5)+(3*2)+(2*5)+(1*7)=43
43 % 10 = 3
So 52-57-3 is a valid CAS Registry Number.
InChI:InChI=1/C11H18N2O2SSi/c1-17(2)6-4-3-5-11(7-17)8(14)12-10(16)13-9(11)15/h3-7H2,1-2H3,(H2,12,13,14,15,16)