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1217504-89-6

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1217504-89-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1217504-89-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,7,5,0 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1217504-89:
(9*1)+(8*2)+(7*1)+(6*7)+(5*5)+(4*0)+(3*4)+(2*8)+(1*9)=136
136 % 10 = 6
So 1217504-89-6 is a valid CAS Registry Number.

1217504-89-6Downstream Products

1217504-89-6Relevant articles and documents

A facile method for preparation of [2H3]-sufentanil and its metabolites

Srimurugan, Sankareswaran,Murugan, Kaliyappan,Chen, Chinpiao

, p. 1421 - 1424 (2009)

An improved process for the synthesis of sufentanil with an overall yield of 26% is described. The reactive and high yielding N-debenzylation of the piperidine intermediate 7 using a mixture of Pd/C and Pd(OH)2 was applied to other drug intermediates affording free amines in short reaction times. The deuterium-labeled sufentanil and the metabolite desmethylsufentanil were synthesized applying the optimized process.

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