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21072-86-6

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21072-86-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21072-86-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,0,7 and 2 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21072-86:
(7*2)+(6*1)+(5*0)+(4*7)+(3*2)+(2*8)+(1*6)=76
76 % 10 = 6
So 21072-86-6 is a valid CAS Registry Number.

21072-86-6Relevant articles and documents

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Dodson,Riegel

, p. 424,433 (1948)

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A Novel Method for Preparation of Steroidal Ketoximes from Nitroolefins

Habib, Rubina,Husain, Mubarak,Husain, Mashkoor,Khan, Naseem H.

, p. 801 (2007/10/02)

Steroidal 6-nitroolefins (I-IV) undergo facile reaction with NH3-MeOH-Zn yielding exclusively the corresponding 6-one oximes (V-VIII) in quantitative yields.The method appears to be of general applicability.

REACTION OF CHLOROTRIMETHYLSILANE WITH SOME CHOLESTANE DERIVATIVES

Husain, Mubarak,Khan, Naseem Hasan

, p. 185 - 208 (2007/10/02)

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