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57317-67-6

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57317-67-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57317-67-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,3,1 and 7 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 57317-67:
(7*5)+(6*7)+(5*3)+(4*1)+(3*7)+(2*6)+(1*7)=136
136 % 10 = 6
So 57317-67-6 is a valid CAS Registry Number.

57317-67-6Downstream Products

57317-67-6Relevant articles and documents

The Xanthene-9-spiro-4'-piperidine Nucleus as a Probe for Opiate Activity

Galt, Ronald H. B.,Horbury, John,Matusiak, Zbigniew S.,Pearce, Robert J.,Shaw, John S.

, p. 2357 - 2362 (1989)

A series of novel 1'-methylxanthene-9-sspiro-4'-piperidines has been prepared in the search for opiate analgesics with improved pharmacological properties.It has been found that intriduction of a hydroxyl group into the 4-position of the xanthenespiropipe

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