141271-42-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 141271-42-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,2,7 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 141271-42:
(8*1)+(7*4)+(6*1)+(5*2)+(4*7)+(3*1)+(2*4)+(1*2)=93
93 % 10 = 3
So 141271-42-3 is a valid CAS Registry Number.
InChI:InChI=1/C13H17BrN2O.C4H4O4/c1-13-4-5-15(2)12(13)16(3)11-9(13)6-8(17)7-10(11)14;5-3(6)1-2-4(7)8/h6-7,12,17H,4-5H2,1-3H3;1-2H,(H,5,6)(H,7,8)/b;2-1+/t12-,13+;/m1./s1