52-55-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52-55-1 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 5 respectively.
Calculate Digit Verification of CAS Registry Number 52-55:
(4*5)+(3*2)+(2*5)+(1*5)=41
41 % 10 = 1
So 52-55-1 is a valid CAS Registry Number.
InChI:InChI=1/C11H18N2O3Si/c1-7-4-5-17(2,3)6-11(7)8(14)12-10(16)13-9(11)15/h7H,4-6H2,1-3H3,(H2,12,13,14,15,16)