131964-87-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131964-87-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,9,6 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 131964-87:
(8*1)+(7*3)+(6*1)+(5*9)+(4*6)+(3*4)+(2*8)+(1*7)=139
139 % 10 = 9
So 131964-87-9 is a valid CAS Registry Number.
InChI:InChI=1/2C12H15NO3.C4H4O4/c2*13-4-6-15-8-11(14)9-1-2-12-10(7-9)3-5-16-12;5-3(6)1-2-4(7)8/h2*1-3,5,7,11,14H,4,6,8,13H2;1-2H,(H,5,6)(H,7,8)/b;;2-1+