136494-18-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136494-18-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,4,9 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 136494-18:
(8*1)+(7*3)+(6*6)+(5*4)+(4*9)+(3*4)+(2*1)+(1*8)=143
143 % 10 = 3
So 136494-18-3 is a valid CAS Registry Number.
InChI:InChI=1/C17H18N5O/c1-12-13(2)22-10-4-5-16(17(22)21(12)3)23-11-14-6-8-15(9-7-14)19-20-18/h4-10H,11H2,1-3H3/q+1