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128988-07-8

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128988-07-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128988-07-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,9,8 and 8 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128988-07:
(8*1)+(7*2)+(6*8)+(5*9)+(4*8)+(3*8)+(2*0)+(1*7)=178
178 % 10 = 8
So 128988-07-8 is a valid CAS Registry Number.

128988-07-8Downstream Products

128988-07-8Relevant articles and documents

Process for the production of 4,5,6,7-tetrahydrothieno-[3,2-C]-pyridines

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, (2008/06/13)

A process for the production of 4,5,6,7-tetrahydrothieno-[3,2-c]-pyridines of the formula: STR1 Thus, in the case of a 4-oxo-3-piperidine-3-carboxylic acid ester of the formula: STR2 an allyl group is introduced in the 3 position, the ester function in the 3 position is removed, the resultant compound of the formula: STR3 is ionized, reduced to the corresponding aldehyde of the formula: STR4 and with H2 S/HCl in the presence of a metal halide is cyclized to the end product. The synthesized compounds have antithrombotic action.

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