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756444-21-0

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756444-21-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 756444-21-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,6,4,4 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 756444-21:
(8*7)+(7*5)+(6*6)+(5*4)+(4*4)+(3*4)+(2*2)+(1*1)=180
180 % 10 = 0
So 756444-21-0 is a valid CAS Registry Number.

756444-21-0Upstream product

756444-21-0Relevant academic research and scientific papers

Design and synthesis of the first thiophene thioglycosides

Elgemeie, Galal H.,Elsayed, Shahinaz H.,Hassan, Ashraf S.

experimental part, p. 1781 - 1792 (2009/10/06)

A novel reported method for preparation of the first thiophene thioglycosides via a one-pot reaction of sodium thiophenethiolate salts with 2,3,4,6-tetra-O-acetyl - D-gluco- and galactopyranosyl bromides has been studied. The sodium thiophenethiolate salts were prepared using sodium cyanoethylene thiolate salts. Copyright Taylor & Francis Group, LLC.

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