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93669-87-5

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93669-87-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 93669-87-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,6,6 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 93669-87:
(7*9)+(6*3)+(5*6)+(4*6)+(3*9)+(2*8)+(1*7)=185
185 % 10 = 5
So 93669-87-5 is a valid CAS Registry Number.

93669-87-5Relevant articles and documents

7-Aroyl-2,3-dihydrobenzofuran-3-carboxylic Acids and 7-Benzoyl-2,3-dihydrobenzothiophene-3-carboxylic Acids as Analgesic Agents

Boyle, Elizabeth A.,Mangan, Frank R.,Markwell, Roger E.,Smith, Stephen A.,Thomson, Michael J.,et al.

, p. 894 - 898 (2007/10/02)

The synthesis of a series of 7-aroyl-2,3-dihydrobenzofuran-3-carboxylic acids and 7-benzoyl-2,3-dihydrobenzothiophene-3-carboxylic acids is described.The isomeric 4-benzoyl-1,3-dihydrobenzofuran-1-carboxylic acid was also prepared.Compounds were

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