33987-26-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33987-26-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,9,8 and 7 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 33987-26:
(7*3)+(6*3)+(5*9)+(4*8)+(3*7)+(2*2)+(1*6)=147
147 % 10 = 7
So 33987-26-7 is a valid CAS Registry Number.
InChI:InChI=1/C15H21N5O4/c1-7(2)3-4-16-15-11-9(17-6-18-15)10(19-20-11)14-13(23)12(22)8(5-21)24-14/h3,6,8,12-14,21-23H,4-5H2,1-2H3,(H,19,20)(H,16,17,18)