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674773-13-8

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674773-13-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 674773-13-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,4,7,7 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 674773-13:
(8*6)+(7*7)+(6*4)+(5*7)+(4*7)+(3*3)+(2*1)+(1*3)=198
198 % 10 = 8
So 674773-13-8 is a valid CAS Registry Number.
InChI:InChI=1/C16H18N2O8S/c1-23-11(19)5-9-10(6-17)15(27-14(9)16(22)26-4)18(7-12(20)24-2)8-13(21)25-3/h5,7-8H2,1-4H3

674773-13-8Downstream Products

674773-13-8Relevant articles and documents

IMPROVED PROCESS FOR THE PREPARATION OF STRONTIUM RANELATE HYDRATES AND NEW POLYMORPHIC FORM OF MONOHYDRATE

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Page/Page column 18, (2014/01/07)

The present invention relates to an improved process for preparation of pure strontium ranelate hydrates (Ia-c) by using the intermediates, amino dimethyl ester (II) and tetramethyl ester (III), which are prepared by novel methods. The present invention also relates to a new crystalline polymorphic form of strontium ranelate monohydrate Form F, and process for the preparation thereof. Formula (Ia-c) : Ia- Strontium ranelate octahydrate: n=8 Ib- Strontium ranelate tetrahydrate: n=4 Ic- Strontium ranelate monohydrate: n=1 Formula (II) and Formula (III).

Process for the industrial synthesis of strontium ranelate and its hydrates

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Page 4, (2008/06/13)

Process for the industrial synthesis of strontium ranelate of formula (I): and its hydrates.

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