109528-34-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109528-34-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,5,2 and 8 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 109528-34:
(8*1)+(7*0)+(6*9)+(5*5)+(4*2)+(3*8)+(2*3)+(1*4)=129
129 % 10 = 9
So 109528-34-9 is a valid CAS Registry Number.
InChI:InChI=1/C5H12N2O3S.H3O4P/c1-11(7,10)3-2-4(6)5(8)9;1-5(2,3)4/h4,7H,2-3,6H2,1H3,(H,8,9);(H3,1,2,3,4)/t4-,11?;/m0./s1