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223757-37-7

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223757-37-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 223757-37-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,7,5 and 7 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 223757-37:
(8*2)+(7*2)+(6*3)+(5*7)+(4*5)+(3*7)+(2*3)+(1*7)=137
137 % 10 = 7
So 223757-37-7 is a valid CAS Registry Number.

223757-37-7Relevant articles and documents

Synthesis of marine alkaloids isonaamine A, dorimidazole A, and preclathridine A. Iminophosphorane-mediated preparation of 2-amino-1,4- disubstituted imidazoles from α-azido esters

Molina,Fresneda,Sanz

, p. 2540 - 2544 (1999)

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