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tetrasodium 2-[[4-[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-2,5-dimethoxyphenyl]azo]-6-sulphonato-1-naphthyl]azo]benzene-1,4-disulphonate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

71033-17-5

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71033-17-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71033-17-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,0,3 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 71033-17:
(7*7)+(6*1)+(5*0)+(4*3)+(3*3)+(2*1)+(1*7)=85
85 % 10 = 5
So 71033-17-5 is a valid CAS Registry Number.
InChI:InChI=1/C41H32N8O16S4.4Na/c1-64-35-20-33(47-49-39-38(69(61,62)63)16-22-15-24(7-10-27(22)40(39)50)43-41(51)21-3-5-23(42)6-4-21)36(65-2)19-32(35)46-45-31-13-12-30(28-11-8-25(17-29(28)31)66(52,53)54)44-48-34-18-26(67(55,56)57)9-14-37(34)68(58,59)60;;;;/h3-20,47H,42H2,1-2H3,(H,43,51)(H,52,53,54)(H,55,56,57)(H,58,59,60)(H,61,62,63);;;;/q;4*+1/p-4/b46-45+,48-44+,49-39-;;;;

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