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disodium 6-[[2,4-dihydroxy-3-[(4-nitrophenyl)azo]phenyl]azo]-4-hydroxy-3-[(2-hydroxy-3-nitro-5-sulphonatophenyl)azo]naphthalene-2-sulphonate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

97337-89-8

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97337-89-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97337-89-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,3,3 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 97337-89:
(7*9)+(6*7)+(5*3)+(4*3)+(3*7)+(2*8)+(1*9)=178
178 % 10 = 8
So 97337-89-8 is a valid CAS Registry Number.
InChI:InChI=1/C28H18N8O14S2.2Na/c37-22-8-7-19(28(40)24(22)33-29-14-3-5-16(6-4-14)35(41)42)31-30-15-2-1-13-9-23(52(48,49)50)25(26(38)18(13)10-15)34-32-20-11-17(51(45,46)47)12-21(27(20)39)36(43)44;;/h1-12,29-30,32,39H,(H,45,46,47)(H,48,49,50);;/q;2*+1/p-2/b31-19+,33-24-,34-25-;;

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