128534-92-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128534-92-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,5,3 and 4 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 128534-92:
(8*1)+(7*2)+(6*8)+(5*5)+(4*3)+(3*4)+(2*9)+(1*2)=139
139 % 10 = 9
So 128534-92-9 is a valid CAS Registry Number.
InChI:InChI=1/C9H16O7/c1-4(11)8(7(13)6(12)3-10)16-5(2)9(14)15/h3-8,11-13H,1-2H3,(H,14,15)/t4-,5?,6-,7-,8-/m0/s1