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139220-28-3

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139220-28-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139220-28-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,2,2 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 139220-28:
(8*1)+(7*3)+(6*9)+(5*2)+(4*2)+(3*0)+(2*2)+(1*8)=113
113 % 10 = 3
So 139220-28-3 is a valid CAS Registry Number.

139220-28-3Relevant articles and documents

Synthetic Studies on the Molybdenum Cofactor. An Efficient Total Synthesis of (+/-)-Dephospho Form A

Taylor, Edward C.,Goswami, Shyamaprosad

, p. 7357 - 7360 (2007/10/02)

(Dephospho) Form A (4b), obtained by oxidative degradation of molybdenum cofactor, has been efficiently synthesized in racemic form for the first time.This material, as well as its protected derivative 11, are now conviniently available as intermediates f

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