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131249-37-1

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131249-37-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131249-37-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,2,4 and 9 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 131249-37:
(8*1)+(7*3)+(6*1)+(5*2)+(4*4)+(3*9)+(2*3)+(1*7)=101
101 % 10 = 1
So 131249-37-1 is a valid CAS Registry Number.

131249-37-1Upstream product

131249-37-1Relevant articles and documents

1α,25-dihydroxyvitamin D4 compounds, ergosta-5,7-diene compounds and processes for the preparation thereof

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, (2008/06/13)

(24S)- and (24R)-1α,25-Dihydroxyvitamin D4 compounds and processes for preparing same. Ergosta-5,7-diene compounds which are useful intermediates in the synthesis of the 1α,25-dihydroxyvitamin D4 compounds. The D4 compounds are expected to possess an interesting pharmacological activity in association with the active-type vitamins D3 and D2.

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