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77837-68-4

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77837-68-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77837-68-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,3 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77837-68:
(7*7)+(6*7)+(5*8)+(4*3)+(3*7)+(2*6)+(1*8)=184
184 % 10 = 4
So 77837-68-4 is a valid CAS Registry Number.

77837-68-4Relevant articles and documents

The synthesis of 4-(2,6,10-trimethyl-1,3,5,9-undecatetraenyl)benzoic acid based on alkoxy alkene-acetal condensation

Kryshtal, G. V.,Zhdankina, G. M.,Serebryakov, E. P.

, p. 870 - 871 (2007/10/02)

4-(2,6,10-Trimethyl-1,3,5,9-undecatetraenyl)benzoic acid (1) was synthesized starting from ethyl 4-formylbenzoate (2) and linalool.The key intermediate, ethyl 4-(2-methyl-3-oxo-1-propenyl)benzoate (5), was obtained by the addition of diethyl acetal (3), p

Aromatic retinoic acid analogues. Synthesis and pharmacological activity

Dawson,Hobbs,Chan,Chao,Fung

, p. 583 - 592 (2007/10/02)

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