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20947-57-3

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20947-57-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20947-57-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,9,4 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 20947-57:
(7*2)+(6*0)+(5*9)+(4*4)+(3*7)+(2*5)+(1*7)=113
113 % 10 = 3
So 20947-57-3 is a valid CAS Registry Number.

20947-57-3Downstream Products

20947-57-3Relevant articles and documents

Synthesis of isoquinoline. Synthesis of 7-hydroxy-6-methoxy-2methyl-(4-hydroxy-3,5-dimethoxyphenethyl)-1,2,3,4-tetrahydro-isoquinoline, an intermediate in the synthesis of homapomorphine alkaloids

Brossi,van Burik,Teitel

, p. 1965 - 1979 (2007/10/05)

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