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89987-01-9

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89987-01-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89987-01-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,8 and 7 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 89987-01:
(7*8)+(6*9)+(5*9)+(4*8)+(3*7)+(2*0)+(1*1)=209
209 % 10 = 9
So 89987-01-9 is a valid CAS Registry Number.

89987-01-9Downstream Products

89987-01-9Relevant articles and documents

Anti-inflammatory products derived from methylene-diphosphonic acid, and process for their preparation

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, (2008/06/13)

The present invention relates to products of the formula STR1 where R1 is H or alkyl, n is an integer from 0 to 10, and R2 is chosen from amongst H, unsubstituted or substituted alkyl radicals, a STR2 a substituted or unsubstituted phenyl radical, a STR3 where X is oxygen or sulfur, or a heterocyclic radical with 5 or 6 members, which may or may not be fused to a benzene ring and R3 is H or OH. The present invention also relates to a process for the preparation of the products of the formula (I), and to the drugs, having in particular an anti-inflammatory effect, containing a product of the formula (I).

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