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78138-12-2

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78138-12-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78138-12-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,1,3 and 8 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 78138-12:
(7*7)+(6*8)+(5*1)+(4*3)+(3*8)+(2*1)+(1*2)=142
142 % 10 = 2
So 78138-12-2 is a valid CAS Registry Number.

78138-12-2Relevant articles and documents

STEREOCHEMICAL CONTROL AS A FUNCTION OF PROTECTING-GROUP PARTICIPATION IN 2-DEOXY-D-ERYTHRO-PENTOFURANOSYL NUCLEOSIDES

Wierenga, Wendell,Skulnick, Harvey I.

, p. 41 - 52 (2007/10/02)

Possible features controlling the anomeric ratios in the synthesis of the antiviral antibiotic dihydro-5-azathymidine have been examined.Replacement of the 3- and 5-(4-methylbenzoyl) protecting groups in 2-deoxy-D-erythro-pentofuranosyl chloride by benzyl

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