94021-09-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 94021-09-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,0,2 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 94021-09:
(7*9)+(6*4)+(5*0)+(4*2)+(3*1)+(2*0)+(1*9)=107
107 % 10 = 7
So 94021-09-7 is a valid CAS Registry Number.
InChI:InChI=1/C22H15Cl2N7O10S2.3Na/c1-9-13(6-10(7-15(9)43(39,40)41)25-20(32)11-8-16(23)27-29-19(11)24)31-21(33)17(18(30-31)22(34)35)28-26-12-4-2-3-5-14(12)42(36,37)38;;;/h2-8,17H,1H3,(H,25,32)(H,34,35)(H,36,37,38)(H,39,40,41);;;/q;3*+1/p-3