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159181-15-4

159181-15-4

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159181-15-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 159181-15-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,1,8 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 159181-15:
(8*1)+(7*5)+(6*9)+(5*1)+(4*8)+(3*1)+(2*1)+(1*5)=144
144 % 10 = 4
So 159181-15-4 is a valid CAS Registry Number.

159181-15-4Relevant articles and documents

Synthesis of 3-hydroxypyrimidine-2,4-diones. Addition of anilines to benzyloxy isocyanate synthons to give N-hydroxyureas

Romine,Martin,Meanwell,Epperson

, p. 846 - 850 (2007/10/02)

A new method, the addition of N-benzyloxychloroformate to methyl anthranilate followed by base-catalyzed cyclization, has been employed to synthesize the N-hydroxyquinazolinedione 1 and heterocyclic derivatives. N-Benzyloxycarbonylimidazole is a useful sy

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