3570-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3570-80-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,7 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 3570-80:
(6*3)+(5*5)+(4*7)+(3*0)+(2*8)+(1*0)=87
87 % 10 = 7
So 3570-80-7 is a valid CAS Registry Number.
InChI:InChI=1/C20H10O5.2C2H4O2.2Hg/c21-11-5-7-15-17(9-11)25-18-10-12(22)6-8-16(18)19(15)13-3-1-2-4-14(13)20(23)24;2*1-2(3)4;;/h1-8,21H,(H,23,24);2*1H3,(H,3,4);;/q;;;2*+1/p-2/rC24H16Hg2O9/c1-11(27)34-25-20-17(29)9-7-15-19(13-5-3-4-6-14(13)24(31)32)16-8-10-18(30)21(26-35-12(2)28)23(16)33-22(15)20/h3-10,29H,1-2H3,(H,31,32)