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90457-76-4

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90457-76-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90457-76-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,5 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 90457-76:
(7*9)+(6*0)+(5*4)+(4*5)+(3*7)+(2*7)+(1*6)=144
144 % 10 = 4
So 90457-76-4 is a valid CAS Registry Number.

90457-76-4Downstream Products

90457-76-4Relevant articles and documents

ASYMMETRIC SYNTHESIS VIA CHIRAL ACETAL TEMPLATES. 7. FURTHER STUDIES ON THE CYANATION REACTION. THE USE OF ACETALS DERIVED FROM DIOLS WITH ONE CHIRAL CENTER

Choi, Vanessa M. F.,Elliott, John D.,Johnson, William S.

, p. 591 - 594 (2007/10/02)

New examples of the cyanation reaction are described, including one that affords the cyanohydrin 8, an intermediate for synthesizing pyrethroid insecticides.Also the reaction with acetals derived from S-1,3-butanediol has been examined.

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