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89179-54-4

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89179-54-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89179-54-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,1,7 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 89179-54:
(7*8)+(6*9)+(5*1)+(4*7)+(3*9)+(2*5)+(1*4)=184
184 % 10 = 4
So 89179-54-4 is a valid CAS Registry Number.

89179-54-4Relevant articles and documents

Studies on acetylenic compounds. XXV. Ring closure. (5). New synthetic method of heterocyclic compounds from alpha-amino- and alpha-N-substituted amino- acetylenic compounds.

YURA

, p. 1087 - 1093 (1962)

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