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933770-22-0

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933770-22-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 933770-22-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,3,7,7 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 933770-22:
(8*9)+(7*3)+(6*3)+(5*7)+(4*7)+(3*0)+(2*2)+(1*2)=180
180 % 10 = 0
So 933770-22-0 is a valid CAS Registry Number.

933770-22-0Relevant articles and documents

Multisite modification of neomycin B: Combined Mitsunobu and click chemistry approach

Quader, Sabina,Boyd, Sue E.,Jenkins, Ian D.,Houston, Todd A.

, p. 1962 - 1979 (2007/10/03)

The aminoglycoside antibiotic neomycin B has been converted into several novel building blocks that can be used for the specific modification of three of the four ring systems. Under carefully controlled conditions, the Mitsunobu reaction can be used to s

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