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121885-21-0

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121885-21-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121885-21-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,8,8 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 121885-21:
(8*1)+(7*2)+(6*1)+(5*8)+(4*8)+(3*5)+(2*2)+(1*1)=120
120 % 10 = 0
So 121885-21-0 is a valid CAS Registry Number.

121885-21-0Relevant articles and documents

Analogs of oxetanyl purines and pyrimidines

-

, (2008/06/13)

A compound of the formula: STR1 wherein B is a purin-9-yl group or a heterocyclic isostere of a purin-9-yl group; or a pyrimidin-1-yl group or a heterocyclic isostere of a pyrimidin-1-yl group; A is --CH-- or A--G taken together is --C(=O)--, --C(=CH

Analogs of oxetanyl purines and pyrimidines

-

, (2008/06/13)

A compound of the formula: STR1 wherein B is a purin-9-yl group or a heterocyclic isostere of a purin-9-yl group; or a pyrimidin-1-yl group or a heterocyclic isostere of a pyrimidin-1-yl group; A is --CH-- or A--G taken together is --C(=O)--, --C(=CH

STUDIES ON THE TOTAL SYNTHESIS OF OXETANOCIN; I. THE FIRST SYNTHESIS OF A NUCLEOSIDE HAVING OXETANOSYL-N-GLYCOSIDE

Niitsuma, Setsuko,Ichikawa, Yuh-ichiro,Kato, Kuniki,Takita, Tomohisa

, p. 3967 - 3970 (2007/10/02)

The first synthesis of 9-(2-oxetanyl)adenine 12, a key intermediate for the synthesis of a novel nucleoside oxetanocin 1, has been achieved via cyclization between allyloxycarbanion and epoxy group.

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