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1250858-27-5

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1250858-27-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1250858-27-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,0,8,5 and 8 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1250858-27:
(9*1)+(8*2)+(7*5)+(6*0)+(5*8)+(4*5)+(3*8)+(2*2)+(1*7)=155
155 % 10 = 5
So 1250858-27-5 is a valid CAS Registry Number.

1250858-27-5Downstream Products

1250858-27-5Relevant articles and documents

Perfectly regioselective acylation of a cardiac glycoside, digitoxin, via catalytic amplification of the intrinsic reactivity

Yoshida, Keisuke,Furuta, Takumi,Kawabata, Takeo

, p. 4830 - 4832 (2010)

Organocatalytic regioselective acylation of digitoxin has been developed. This method provides the 4′′′-O-manoacylate as the sole product without the concomitant formation of diacylates. The extremely high regioselectivity was assumed to be the result from the combined effects of the high intrinsic reactivity of C(4′′′)-OH and catalyst-promoted regioselective acylation of the same hydroxy group.

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