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221044-37-7

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221044-37-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221044-37-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,0,4 and 4 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 221044-37:
(8*2)+(7*2)+(6*1)+(5*0)+(4*4)+(3*4)+(2*3)+(1*7)=77
77 % 10 = 7
So 221044-37-7 is a valid CAS Registry Number.

221044-37-7Relevant articles and documents

A facile asymmetric synthesis of 1,2,3-substituted indenes

Romines, Karen R.,Lovasz, Kristine D.,Mizsak, Stephen A.,Morris, Jeanette K.,Seest, Eric P.,Han, Fusen,Tulinsky, John,Judge, Thomas M.,Gammill, Ronald B.

, p. 1733 - 1737 (1999)

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