82571-54-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82571-54-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,5,7 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 82571-54:
(7*8)+(6*2)+(5*5)+(4*7)+(3*1)+(2*5)+(1*4)=138
138 % 10 = 8
So 82571-54-8 is a valid CAS Registry Number.
InChI:InChI=1/C22H17ClN2.C11H13N5O5/c23-21-14-8-7-13-20(21)22(25-16-15-24-17-25,18-9-3-1-4-10-18)19-11-5-2-6-12-19;12-15-13-5-10(18)14-9(6-17)11(19)7-1-3-8(4-2-7)16(20)21/h1-17H;1-4,9,11,17,19H,5-6H2,(H,14,18)/t;9-,11-/m.1/s1