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801228-15-9

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801228-15-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 801228-15-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,1,2,2 and 8 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 801228-15:
(8*8)+(7*0)+(6*1)+(5*2)+(4*2)+(3*8)+(2*1)+(1*5)=119
119 % 10 = 9
So 801228-15-9 is a valid CAS Registry Number.

801228-15-9Upstream product

801228-15-9Downstream Products

801228-15-9Relevant articles and documents

Certain 1-hydroxyethane, 1,1-di-phosphonic acid derivatives useful in treating calcium metabolism disturbances

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, (2008/06/13)

The present invention provides diphosphonates of the general formula: STR1 wherein Het is an imidazole, oxazole, isoxazole, thiazole, pyridine, 1,2,3-triazole, 1,2,4-triazole or benzimidazole radical, which is optionally substituted by alkyl, alkoxy, halogen, hydroxyl, carboxyl, an amino group optionally substituted by alkyl or alkanoyl radicals or a benzyl radical optionally substituted by alkyl, nitro, amino or aminoalkyl, A is a straight-chained or branched, saturated or unsaturated hydrocarbon chain containing 2 to 8 carbon atoms, X is a hydrogen atom, optionally substituted by alkanoyl, or an amino group optionally substituted by alkyl or alkanoyl radicals and R is a hydrogen atom or an alkyl radical; and the pharmacologically acceptable salts thereof. The present invention also provides processes for the preparation of these diphosphonates and pharmaceutical compositions containing them.

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