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1193076-40-2

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1193076-40-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1193076-40-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,3,0,7 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1193076-40:
(9*1)+(8*1)+(7*9)+(6*3)+(5*0)+(4*7)+(3*6)+(2*4)+(1*0)=152
152 % 10 = 2
So 1193076-40-2 is a valid CAS Registry Number.

1193076-40-2Downstream Products

1193076-40-2Relevant articles and documents

NOVEL PROCESS FOR PREPARATION OF IOPROMIDE

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Page/Page column 6, (2011/02/26)

The present invention relates to a novel process for preparing iopromide which is used as a contrast agent for X-ray, wherein 5-methoxyacetylamino-2,4,6-triiodoisophthalic acid (2,3-diacetoxypropyl)amide chloride of formula (19) and 5-methoxyacetylamino-2,4,6-triiodoisophthalic acid [(2,3-dihydroxy-N-methylpropyl)-(2,3-diacetoxypropyl)]diamide of formula (20) are introduced as intermediates, by which a bismer by-product generated during the preparation process can be removed even without an additional removal procedure and thus iopromide with high purity can be prepared in high yield.

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