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1262151-45-0

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1262151-45-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1262151-45-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,2,1,5 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1262151-45:
(9*1)+(8*2)+(7*6)+(6*2)+(5*1)+(4*5)+(3*1)+(2*4)+(1*5)=120
120 % 10 = 0
So 1262151-45-0 is a valid CAS Registry Number.

1262151-45-0Downstream Products

1262151-45-0Relevant academic research and scientific papers

Cardiotonic steroids with additional lactone rings

Makarevich,Kovalenko,Ulesov

, p. 742 - 745 (2010)

Stereochemical structural transformations of cardiosteroids to create in them additional lactone rings were studied. Creation of β-lactones by reaction of a 3β-OH group and a 19-carboxylic group to give the corresponding A/B-trans cardiosteroids and creation of β-lactones by reaction of a 5β-OH group and a 19-COOH to give the corresponding A/B-cis steroids were studied. The new biologically active compounds 8(14)-dehydrobovogenin-19-carboxylic acid 3β-O-19-lactone, strophanthidine-19-carboxylic acid 5β-O- 19-lactone, cymarin-19-carboxylic acid 5β-O-19-lactone, convallatoxin-19-carboxylic acid 5β-O-19- lactone, and strophalloside-19-carboxylic acid 5β-O-19-lactone were prepared.

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