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1131657-93-6

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1131657-93-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1131657-93-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,1,6,5 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1131657-93:
(9*1)+(8*1)+(7*3)+(6*1)+(5*6)+(4*5)+(3*7)+(2*9)+(1*3)=136
136 % 10 = 6
So 1131657-93-6 is a valid CAS Registry Number.

1131657-93-6Relevant articles and documents

SULFONIC ACID SALT COMPOUND OF 4-CARBAMOYL-5-HYDROXY-IMIDAZOLE DERIVATIVE

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Page/Page column 5; 7, (2010/07/03)

The object is to provide a stable SM-108 derivative, which is effective as a carcinostatic agent, particularly an SM-108 derivative having good storage stability. An SM-108 compound having good storage stability can be produced by producing an organic sulfonic acid salt compound of SM-108. Further, a crystalline SM-108 compound containing a trace amount of an organic carboxylic acid can be produced by using an aqueous solution of the organic sulfonic acid salt of SM-108, and by adding an alkali metal salt of an organic carboxylic acid to the aqueous solution to neutralize the aqueous solution and then causing the crystal precipitation in the solution.

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