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1386977-58-7

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1386977-58-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1386977-58-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,6,9,7 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1386977-58:
(9*1)+(8*3)+(7*8)+(6*6)+(5*9)+(4*7)+(3*7)+(2*5)+(1*8)=237
237 % 10 = 7
So 1386977-58-7 is a valid CAS Registry Number.

1386977-58-7Relevant articles and documents

Efficient preparation of 2,4-diaminopyrimidine nucleosides: Total synthesis of lysidine and agmatidine

Kopina, Brett J.,Lauhon, Charles T.

, p. 4118 - 4121 (2012)

An efficient route for the synthesis of 2,4-diaminopyrimidine ribosides from cytidine is described consisting of six steps with overall yields >50% and only one chromatographic step. The key amine addition step utilizes LiCl and 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) to ensure clean conversion to a single tautomeric product. This route has been used to prepare the modified tRNA nucleosides lysidine and agmatidine in quantities suitable for structural characterization.

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