71002-19-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71002-19-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,0,0 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 71002-19:
(7*7)+(6*1)+(5*0)+(4*0)+(3*2)+(2*1)+(1*9)=72
72 % 10 = 2
So 71002-19-2 is a valid CAS Registry Number.
InChI:InChI=1/C24H20N6O5S.Na/c1-14(31)26-15-7-9-17(10-8-15)28-30-20-13-21(36(33,34)35)18-11-12-19(24(32)22(18)23(20)25)29-27-16-5-3-2-4-6-16;/h2-13,27H,25H2,1H3,(H,26,31)(H,33,34,35);/q;+1/p-1/b29-19+,30-28+;