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87606-82-4

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87606-82-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87606-82-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,6,0 and 6 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 87606-82:
(7*8)+(6*7)+(5*6)+(4*0)+(3*6)+(2*8)+(1*2)=164
164 % 10 = 4
So 87606-82-4 is a valid CAS Registry Number.

87606-82-4Relevant articles and documents

ipso- and tele-Substitution Pathways in the Reactions of 1,3-Dimethyl-2,4-dinitro- and 1,3-Dimethyl-2-nitro-4-phenylsulphonylnaphthalene with Sodium Arenthiolates in Dimethyl Sulphoxide

Novi, Marino,Dell'Erba, Carlo,Sancassan, Fernando

, p. 1145 - 1150 (2007/10/02)

1,3-Dimethyl-2,4-dinitronaphthalene (4) reacts with sodium 2,4,6-trimethylbenzenethiolate in dimethyl sulphoxide at 120 deg C giving a mixture of an ipso-substitution product, 1,3-dimethyl-2-nitro-4-(2,4,6-trimethylphenylthio)naphthalene (6a), and of two

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