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109039-99-8

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109039-99-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109039-99-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,0,3 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 109039-99:
(8*1)+(7*0)+(6*9)+(5*0)+(4*3)+(3*9)+(2*9)+(1*9)=128
128 % 10 = 8
So 109039-99-8 is a valid CAS Registry Number.

109039-99-8Relevant articles and documents

A Convenient Preparation of Terminally Differentiated, Selectively Protected Six-Carbon Synthons from D-Glucosamine

Coleman, Robert S.,Dong, Yong,Carpenter, Andrew J.

, p. 3732 - 3735 (2007/10/02)

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