27740-13-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27740-13-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,7,4 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 27740-13:
(7*2)+(6*7)+(5*7)+(4*4)+(3*0)+(2*1)+(1*3)=112
112 % 10 = 2
So 27740-13-2 is a valid CAS Registry Number.
InChI:InChI=1/C15H20O4/c1-7-8-4-5-14(2)9(16)6-10-15(3,19-10)12(14)11(8)18-13(7)17/h8-12,16H,1,4-6H2,2-3H3/t8-,9-,10+,11-,12+,14-,15+/m0/s1