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1157902-59-4

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1157902-59-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1157902-59-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,7,9,0 and 2 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1157902-59:
(9*1)+(8*1)+(7*5)+(6*7)+(5*9)+(4*0)+(3*2)+(2*5)+(1*9)=164
164 % 10 = 4
So 1157902-59-4 is a valid CAS Registry Number.

1157902-59-4Downstream Products

1157902-59-4Relevant academic research and scientific papers

Tandem one-pot acetalation-acetylation for direct access to differentially protected thioglycosides and O-glycosides with p-toluenesulfonic acid

Mong, Kwok-Kong Tony,Chao, Chin-Sheng,Chen, Min-Chun,Lin, Chun-Wei

body text, p. 603 - 606 (2009/07/01)

A new tandem one-pot acetalation-acetylation procedure is reported which streamlines routine protecting-group manipulation of carbohydrate molecules in production of differentially protected O- and thioglycosides. This new procedure eliminates the use of

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