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99520-38-4

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99520-38-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99520-38-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,5,2 and 0 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 99520-38:
(7*9)+(6*9)+(5*5)+(4*2)+(3*0)+(2*3)+(1*8)=164
164 % 10 = 4
So 99520-38-4 is a valid CAS Registry Number.

99520-38-4Downstream Products

99520-38-4Relevant academic research and scientific papers

Synthesis of Novel Streptonigrin 2-Amide Derivatives with 3,3'-(Phenylphosphoryl)bis(1,3-thiazolidine-2-thione)

Tadayo, Miyasaka,Satoshi, Hibino,Yoshio, Inouye,Shoshiroh, Nakamura

, p. 479 - 482 (2007/10/02)

Novel streptonigrin 2-amide derivatives have been efficiently synthesized without protection by using 3,3'-(phenylphosphoryl)bis(1,3-thiazolidine-2-thione) (PPBTT) as a chemoselective condensing agent.

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