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243844-65-7

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243844-65-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 243844-65-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,3,8,4 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 243844-65:
(8*2)+(7*4)+(6*3)+(5*8)+(4*4)+(3*4)+(2*6)+(1*5)=147
147 % 10 = 7
So 243844-65-7 is a valid CAS Registry Number.

243844-65-7Downstream Products

243844-65-7Relevant articles and documents

Improved methods for the preparation of 2'-deoxyribonucleoside and ribonucleoside 3'-phosphoramidites with allylic protectors

Heidenhain, Sophie B.,Hayakawa, Yoshihiro

, p. 1771 - 1787 (2007/10/03)

Improved methods of preparing 2'-deoxyribonucleoside and ribonucleoside 3'phosphoramidites with allylic protecting groups, which serve as useful building blocks, particularly for the synthesis of base-labile derivatives, are developed.

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